|
|
Boost-Commit : |
Subject: [Boost-commit] svn:boost r52592 - in trunk: boost/regex/v4 libs/regex/doc libs/regex/doc/html libs/regex/doc/html/boost_regex libs/regex/doc/html/boost_regex/background_information libs/regex/doc/html/boost_regex/format libs/regex/doc/html/boost_regex/ref libs/regex/doc/html/boost_regex/ref/concepts libs/regex/doc/html/boost_regex/ref/deprecated_interfaces libs/regex/doc/html/boost_regex/ref/non_std_strings/icu libs/regex/doc/html/boost_regex/ref/non_std_strings/mfc_strings libs/regex/doc/html/boost_regex/syntax libs/regex/src libs/regex/test/regress
From: john_at_[hidden]
Date: 2009-04-25 13:32:53
Author: johnmaddock
Date: 2009-04-25 13:32:49 EDT (Sat, 25 Apr 2009)
New Revision: 52592
URL: http://svn.boost.org/trac/boost/changeset/52592
Log:
Added support for \g \K and \R.
Text files modified:
trunk/boost/regex/v4/basic_regex_parser.hpp | 84 +++++
trunk/boost/regex/v4/match_results.hpp | 15
trunk/boost/regex/v4/perl_matcher_common.hpp | 2
trunk/boost/regex/v4/perl_matcher_non_recursive.hpp | 13
trunk/boost/regex/v4/perl_matcher_recursive.hpp | 15
trunk/boost/regex/v4/regex_traits_defaults.hpp | 22 +
trunk/boost/regex/v4/syntax_type.hpp | 5
trunk/libs/regex/doc/html/boost_regex/background_information/examples.html | 6
trunk/libs/regex/doc/html/boost_regex/background_information/history.html | 12
trunk/libs/regex/doc/html/boost_regex/background_information/locale.html | 8
trunk/libs/regex/doc/html/boost_regex/background_information/standards.html | 10
trunk/libs/regex/doc/html/boost_regex/captures.html | 6
trunk/libs/regex/doc/html/boost_regex/format/boost_format_syntax.html | 8
trunk/libs/regex/doc/html/boost_regex/install.html | 16
trunk/libs/regex/doc/html/boost_regex/ref/bad_expression.html | 4
trunk/libs/regex/doc/html/boost_regex/ref/basic_regex.html | 18
trunk/libs/regex/doc/html/boost_regex/ref/concepts/traits_concept.html | 4
trunk/libs/regex/doc/html/boost_regex/ref/deprecated_interfaces/regex_format.html | 2
trunk/libs/regex/doc/html/boost_regex/ref/error_type.html | 4
trunk/libs/regex/doc/html/boost_regex/ref/match_flag_type.html | 2
trunk/libs/regex/doc/html/boost_regex/ref/match_results.html | 4
trunk/libs/regex/doc/html/boost_regex/ref/non_std_strings/icu/unicode_algo.html | 6
trunk/libs/regex/doc/html/boost_regex/ref/non_std_strings/icu/unicode_iter.html | 4
trunk/libs/regex/doc/html/boost_regex/ref/non_std_strings/mfc_strings/mfc_algo.html | 10
trunk/libs/regex/doc/html/boost_regex/ref/non_std_strings/mfc_strings/mfc_iter.html | 4
trunk/libs/regex/doc/html/boost_regex/ref/posix.html | 8
trunk/libs/regex/doc/html/boost_regex/ref/regex_iterator.html | 4
trunk/libs/regex/doc/html/boost_regex/ref/regex_match.html | 4
trunk/libs/regex/doc/html/boost_regex/ref/regex_replace.html | 4
trunk/libs/regex/doc/html/boost_regex/ref/regex_search.html | 4
trunk/libs/regex/doc/html/boost_regex/ref/regex_token_iterator.html | 4
trunk/libs/regex/doc/html/boost_regex/ref/regex_traits.html | 2
trunk/libs/regex/doc/html/boost_regex/ref/sub_match.html | 8
trunk/libs/regex/doc/html/boost_regex/syntax/basic_extended.html | 66 ++--
trunk/libs/regex/doc/html/boost_regex/syntax/basic_syntax.html | 44 +-
trunk/libs/regex/doc/html/boost_regex/syntax/perl_syntax.html | 571 ++++++++++++++++++++++-----------------
trunk/libs/regex/doc/html/boost_regex/unicode.html | 4
trunk/libs/regex/doc/html/index.html | 4
trunk/libs/regex/doc/syntax_perl.qbk | 235 +++++++++-------
trunk/libs/regex/src/regex_traits_defaults.cpp | 11
trunk/libs/regex/test/regress/test_backrefs.cpp | 35 ++
trunk/libs/regex/test/regress/test_escapes.cpp | 18 +
42 files changed, 793 insertions(+), 517 deletions(-)
Modified: trunk/boost/regex/v4/basic_regex_parser.hpp
==============================================================================
--- trunk/boost/regex/v4/basic_regex_parser.hpp (original)
+++ trunk/boost/regex/v4/basic_regex_parser.hpp 2009-04-25 13:32:49 EDT (Sat, 25 Apr 2009)
@@ -720,7 +720,89 @@
return true;
}
fail(regex_constants::error_ctype, m_position - m_base);
+ return false;
+ }
+ case regex_constants::escape_type_reset_start_mark:
+ if(0 == (this->flags() & (regbase::main_option_type | regbase::no_perl_ex)))
+ {
+ re_brace* pb = static_cast<re_brace*>(this->append_state(syntax_element_startmark, sizeof(re_brace)));
+ pb->index = -5;
+ this->m_pdata->m_data.align();
+ ++m_position;
+ return true;
+ }
+ goto escape_type_class_jump;
+ case regex_constants::escape_type_line_ending:
+ if(0 == (this->flags() & (regbase::main_option_type | regbase::no_perl_ex)))
+ {
+ const charT* e = get_escape_R_string<charT>();
+ const charT* old_position = m_position;
+ const charT* old_end = m_end;
+ const charT* old_base = m_base;
+ m_position = e;
+ m_base = e;
+ m_end = e + traits::length(e);
+ bool r = parse_all();
+ m_position = ++old_position;
+ m_end = old_end;
+ m_base = old_base;
+ return r;
+ }
+ goto escape_type_class_jump;
+ case regex_constants::escape_type_extended_backref:
+ if(0 == (this->flags() & (regbase::main_option_type | regbase::no_perl_ex)))
+ {
+ bool have_brace = false;
+ bool negative = false;
+ if(++m_position == m_end)
+ {
+ fail(regex_constants::error_escape, m_position - m_base);
+ return false;
+ }
+ // maybe have \g{ddd}
+ if(this->m_traits.syntax_type(*m_position) == regex_constants::syntax_open_brace)
+ {
+ if(++m_position == m_end)
+ {
+ fail(regex_constants::error_escape, m_position - m_base);
+ return false;
+ }
+ have_brace = true;
+ }
+ negative = (*m_position == static_cast<charT>('-'));
+ if((negative) && (++m_position == m_end))
+ {
+ fail(regex_constants::error_escape, m_position - m_base);
+ return false;
+ }
+ const charT* pc = m_position;
+ int i = this->m_traits.toi(pc, m_end, 10);
+ if(negative)
+ i = 1 + m_mark_count - i;
+ if((i > 0) && (this->m_backrefs & (1u << (i-1))))
+ {
+ m_position = pc;
+ re_brace* pb = static_cast<re_brace*>(this->append_state(syntax_element_backref, sizeof(re_brace)));
+ pb->index = i;
+ }
+ else
+ {
+ fail(regex_constants::error_backref, m_position - m_end);
+ return false;
+ }
+ m_position = pc;
+ if(have_brace)
+ {
+ if((m_position == m_end) || (this->m_traits.syntax_type(*m_position) != regex_constants::syntax_close_brace))
+ {
+ fail(regex_constants::error_escape, m_position - m_base);
+ return false;
+ }
+ ++m_position;
+ }
+ return true;
}
+ goto escape_type_class_jump;
case regex_constants::escape_type_control_v:
if(0 == (this->flags() & (regbase::main_option_type | regbase::no_perl_ex)))
goto escape_type_class_jump;
@@ -1499,7 +1581,7 @@
int i = this->m_traits.toi(m_position, m_end, 16);
if((m_position == m_end)
|| (i < 0)
- || ((std::numeric_limits<charT>::is_specialized) && (charT(i) > (std::numeric_limits<charT>::max)()))
+ || ((std::numeric_limits<charT>::is_specialized) && (i > (int)(std::numeric_limits<charT>::max)()))
|| (this->m_traits.syntax_type(*m_position) != regex_constants::syntax_close_brace))
{
fail(regex_constants::error_badbrace, m_position - m_base);
Modified: trunk/boost/regex/v4/match_results.hpp
==============================================================================
--- trunk/boost/regex/v4/match_results.hpp (original)
+++ trunk/boost/regex/v4/match_results.hpp 2009-04-25 13:32:49 EDT (Sat, 25 Apr 2009)
@@ -230,13 +230,13 @@
m_null.matched = false;
}
- void BOOST_REGEX_CALL set_second(BidiIterator i, size_type pos, bool m = true)
+ void BOOST_REGEX_CALL set_second(BidiIterator i, size_type pos, bool m = true, bool escape_k = false)
{
pos += 2;
BOOST_ASSERT(m_subs.size() > pos);
m_subs[pos].second = i;
m_subs[pos].matched = m;
- if(pos == 2)
+ if((pos == 2) && !escape_k)
{
m_subs[0].first = i;
m_subs[0].matched = (m_subs[0].first != m_subs[0].second);
@@ -284,11 +284,18 @@
m_subs[n].matched = false;
}
}
- void BOOST_REGEX_CALL set_first(BidiIterator i, size_type pos)
+ void BOOST_REGEX_CALL set_first(BidiIterator i, size_type pos, bool escape_k = false)
{
BOOST_ASSERT(pos+2 < m_subs.size());
- if(pos)
+ if(pos || escape_k)
+ {
m_subs[pos+2].first = i;
+ if(escape_k)
+ {
+ m_subs[1].second = i;
+ m_subs[1].matched = (m_subs[1].first != m_subs[1].second);
+ }
+ }
else
set_first(i);
}
Modified: trunk/boost/regex/v4/perl_matcher_common.hpp
==============================================================================
--- trunk/boost/regex/v4/perl_matcher_common.hpp (original)
+++ trunk/boost/regex/v4/perl_matcher_common.hpp 2009-04-25 13:32:49 EDT (Sat, 25 Apr 2009)
@@ -205,7 +205,7 @@
verify_options(re.flags(), m_match_flags);
if(0 == match_prefix())
return false;
- return m_result[0].second == last;
+ return (m_result[0].second == last) && (m_result[0].first == base);
#if defined(BOOST_REGEX_NON_RECURSIVE) && !defined(BOOST_NO_EXCEPTIONS)
}
Modified: trunk/boost/regex/v4/perl_matcher_non_recursive.hpp
==============================================================================
--- trunk/boost/regex/v4/perl_matcher_non_recursive.hpp (original)
+++ trunk/boost/regex/v4/perl_matcher_non_recursive.hpp 2009-04-25 13:32:49 EDT (Sat, 25 Apr 2009)
@@ -213,7 +213,7 @@
template <class BidiIterator, class Allocator, class traits>
inline void perl_matcher<BidiIterator, Allocator, traits>::push_matched_paren(int index, const sub_match<BidiIterator>& sub)
{
- BOOST_ASSERT(index);
+ //BOOST_ASSERT(index);
saved_matched_paren<BidiIterator>* pmp = static_cast<saved_matched_paren<BidiIterator>*>(m_backup_state);
--pmp;
if(pmp < m_stack_base)
@@ -404,6 +404,13 @@
break;
}
}
+ case -5:
+ {
+ push_matched_paren(0, (*m_presult)[0]);
+ m_presult->set_first(position, 0, true);
+ pstate = pstate->next.p;
+ break;
+ }
default:
{
BOOST_ASSERT(index > 0);
@@ -911,8 +918,8 @@
// restore previous values if no match was found:
if(have_match == false)
{
- m_presult->set_first(pmp->sub.first, pmp->index);
- m_presult->set_second(pmp->sub.second, pmp->index, pmp->sub.matched);
+ m_presult->set_first(pmp->sub.first, pmp->index, pmp->index == 0);
+ m_presult->set_second(pmp->sub.second, pmp->index, pmp->sub.matched, pmp->index == 0);
}
#ifdef BOOST_REGEX_MATCH_EXTRA
//
Modified: trunk/boost/regex/v4/perl_matcher_recursive.hpp
==============================================================================
--- trunk/boost/regex/v4/perl_matcher_recursive.hpp (original)
+++ trunk/boost/regex/v4/perl_matcher_recursive.hpp 2009-04-25 13:32:49 EDT (Sat, 25 Apr 2009)
@@ -51,8 +51,8 @@
template <class A>
void restore(match_results<BidiIterator, A>& w)
{
- w.set_first(sub.first, index);
- w.set_second(sub.second, index, sub.matched);
+ w.set_first(sub.first, index, index == 0);
+ w.set_second(sub.second, index, sub.matched, index == 0);
}
const sub_match<BidiIterator>& get() { return sub; }
};
@@ -209,6 +209,17 @@
break;
}
}
+ case -5:
+ {
+ // Reset start of $0, since we have a \K escape
+ backup_subex<BidiIterator> sub(*m_presult, 0);
+ m_presult->set_first(position, 0, true);
+ pstate = pstate->next.p;
+ r = match_all_states();
+ if(r == false)
+ sub.restore(*m_presult);
+ break;
+ }
default:
{
BOOST_ASSERT(index > 0);
Modified: trunk/boost/regex/v4/regex_traits_defaults.hpp
==============================================================================
--- trunk/boost/regex/v4/regex_traits_defaults.hpp (original)
+++ trunk/boost/regex/v4/regex_traits_defaults.hpp 2009-04-25 13:32:49 EDT (Sat, 25 Apr 2009)
@@ -317,6 +317,28 @@
return result;
}
+template <class charT>
+inline const charT* get_escape_R_string()
+{
+#ifdef BOOST_MSVC
+# pragma warning(push)
+# pragma warning(disable:4309)
+#endif
+ static const charT e1[] = { '(', '?', '>', '\x0D', '\x0A', '?',
+ '|', '[', '\x0A', '\x0B', '\x0C', '\x85', '\\', 'x', '{', '2', '0', '2', '8', '}',
+ '\\', 'x', '{', '2', '0', '2', '9', '}', ']', ')' };
+ static const charT e2[] = { '(', '?', '>', '\x0D', '\x0A', '?',
+ '|', '[', '\x0A', '\x0B', '\x0C', '\x85', ']', ')' };
+
+ charT c = static_cast<charT>(0x2029u);
+ bool b = (static_cast<unsigned>(c) == 0x2029u);
+
+ return (b ? e1 : e2);
+#ifdef BOOST_MSVC
+# pragma warning(pop)
+#endif
+}
+
} // re_detail
} // boost
Modified: trunk/boost/regex/v4/syntax_type.hpp
==============================================================================
--- trunk/boost/regex/v4/syntax_type.hpp (original)
+++ trunk/boost/regex/v4/syntax_type.hpp 2009-04-25 13:32:49 EDT (Sat, 25 Apr 2009)
@@ -92,8 +92,11 @@
static const escape_syntax_type escape_type_property = 54; // for \p
static const escape_syntax_type escape_type_not_property = 55; // for \P
static const escape_syntax_type escape_type_named_char = 56; // for \N
+static const escape_syntax_type escape_type_extended_backref = 57; // for \g
+static const escape_syntax_type escape_type_reset_start_mark = 58; // for \K
+static const escape_syntax_type escape_type_line_ending = 59; // for \R
-static const escape_syntax_type syntax_max = 57;
+static const escape_syntax_type syntax_max = 60;
}
}
Modified: trunk/libs/regex/doc/html/boost_regex/background_information/examples.html
==============================================================================
--- trunk/libs/regex/doc/html/boost_regex/background_information/examples.html (original)
+++ trunk/libs/regex/doc/html/boost_regex/background_information/examples.html 2009-04-25 13:32:49 EDT (Sat, 25 Apr 2009)
@@ -28,7 +28,7 @@
Example Programs</a>
</h3></div></div></div>
<a name="boost_regex.background_information.examples.test_programs"></a><h5>
-<a name="id963507"></a>
+<a name="id935382"></a>
<a class="link" href="examples.html#boost_regex.background_information.examples.test_programs">Test
Programs</a>
</h5>
@@ -107,7 +107,7 @@
Files: captures_test.cpp.
</p>
<a name="boost_regex.background_information.examples.example_programs"></a><h5>
-<a name="id963977"></a>
+<a name="id935685"></a>
<a class="link" href="examples.html#boost_regex.background_information.examples.example_programs">Example
programs</a>
</h5>
@@ -133,7 +133,7 @@
Files: regex_timer.cpp.
</p>
<a name="boost_regex.background_information.examples.code_snippets"></a><h5>
-<a name="id964036"></a>
+<a name="id935744"></a>
<a class="link" href="examples.html#boost_regex.background_information.examples.code_snippets">Code
snippets</a>
</h5>
Modified: trunk/libs/regex/doc/html/boost_regex/background_information/history.html
==============================================================================
--- trunk/libs/regex/doc/html/boost_regex/background_information/history.html (original)
+++ trunk/libs/regex/doc/html/boost_regex/background_information/history.html 2009-04-25 13:32:49 EDT (Sat, 25 Apr 2009)
@@ -26,7 +26,7 @@
<a name="boost_regex.background_information.history"></a><a class="link" href="history.html" title="History"> History</a>
</h3></div></div></div>
<a name="boost_regex.background_information.history.boost_1_38"></a><h5>
-<a name="id965524"></a>
+<a name="id937370"></a>
<a class="link" href="history.html#boost_regex.background_information.history.boost_1_38">Boost
1.38</a>
</h5>
@@ -53,7 +53,7 @@
</li>
</ul></div>
<a name="boost_regex.background_information.history.boost_1_34"></a><h5>
-<a name="id965602"></a>
+<a name="id937448"></a>
<a class="link" href="history.html#boost_regex.background_information.history.boost_1_34">Boost
1.34</a>
</h5>
@@ -76,7 +76,7 @@
</li>
</ul></div>
<a name="boost_regex.background_information.history.boost_1_33_1"></a><h5>
-<a name="id965633"></a>
+<a name="id937479"></a>
<a class="link" href="history.html#boost_regex.background_information.history.boost_1_33_1">Boost
1.33.1</a>
</h5>
@@ -146,7 +146,7 @@
</li>
</ul></div>
<a name="boost_regex.background_information.history.boost_1_33_0"></a><h5>
-<a name="id965712"></a>
+<a name="id937558"></a>
<a class="link" href="history.html#boost_regex.background_information.history.boost_1_33_0">Boost
1.33.0</a>
</h5>
@@ -201,7 +201,7 @@
</li>
</ul></div>
<a name="boost_regex.background_information.history.boost_1_32_1"></a><h5>
-<a name="id965771"></a>
+<a name="id937617"></a>
<a class="link" href="history.html#boost_regex.background_information.history.boost_1_32_1">Boost
1.32.1</a>
</h5>
@@ -209,7 +209,7 @@
Fixed bug in partial matches of bounded repeats of '.'.
</li></ul></div>
<a name="boost_regex.background_information.history.boost_1_31_0"></a><h5>
-<a name="id965792"></a>
+<a name="id937638"></a>
<a class="link" href="history.html#boost_regex.background_information.history.boost_1_31_0">Boost
1.31.0</a>
</h5>
Modified: trunk/libs/regex/doc/html/boost_regex/background_information/locale.html
==============================================================================
--- trunk/libs/regex/doc/html/boost_regex/background_information/locale.html (original)
+++ trunk/libs/regex/doc/html/boost_regex/background_information/locale.html 2009-04-25 13:32:49 EDT (Sat, 25 Apr 2009)
@@ -58,7 +58,7 @@
There are three separate localization mechanisms supported by Boost.Regex:
</p>
<a name="boost_regex.background_information.locale.win32_localization_model_"></a><h5>
-<a name="id959022"></a>
+<a name="id931072"></a>
<a class="link" href="locale.html#boost_regex.background_information.locale.win32_localization_model_">Win32
localization model.</a>
</h5>
@@ -90,7 +90,7 @@
are treated as "unknown" graphic characters.
</p>
<a name="boost_regex.background_information.locale.c_localization_model_"></a><h5>
-<a name="id959177"></a>
+<a name="id931227"></a>
<a class="link" href="locale.html#boost_regex.background_information.locale.c_localization_model_">C
localization model.</a>
</h5>
@@ -114,7 +114,7 @@
libraries including version 1 of this library.
</p>
<a name="boost_regex.background_information.locale.c___localization_model_"></a><h5>
-<a name="id959245"></a>
+<a name="id931295"></a>
<a class="link" href="locale.html#boost_regex.background_information.locale.c___localization_model_">C++
localization model.</a>
</h5>
@@ -151,7 +151,7 @@
in your code. The best way to ensure this is to add the #define to <code class="computeroutput"><span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">regex</span><span class="special">/</span><span class="identifier">user</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span></code>.
</p>
<a name="boost_regex.background_information.locale.providing_a_message_catalogue"></a><h5>
-<a name="id959547"></a>
+<a name="id931597"></a>
<a class="link" href="locale.html#boost_regex.background_information.locale.providing_a_message_catalogue">Providing
a message catalogue</a>
</h5>
Modified: trunk/libs/regex/doc/html/boost_regex/background_information/standards.html
==============================================================================
--- trunk/libs/regex/doc/html/boost_regex/background_information/standards.html (original)
+++ trunk/libs/regex/doc/html/boost_regex/background_information/standards.html 2009-04-25 13:32:49 EDT (Sat, 25 Apr 2009)
@@ -28,7 +28,7 @@
Conformance</a>
</h3></div></div></div>
<a name="boost_regex.background_information.standards.c__"></a><h5>
-<a name="id964665"></a>
+<a name="id936373"></a>
<a class="link" href="standards.html#boost_regex.background_information.standards.c__">C++</a>
</h5>
<p>
@@ -36,7 +36,7 @@
Report on C++ Library Extensions</a>.
</p>
<a name="boost_regex.background_information.standards.ecmascript___javascript"></a><h5>
-<a name="id964686"></a>
+<a name="id936395"></a>
<a class="link" href="standards.html#boost_regex.background_information.standards.ecmascript___javascript">ECMAScript
/ JavaScript</a>
</h5>
@@ -49,7 +49,7 @@
rather than a Unicode escape sequence; use \x{DDDD} for Unicode escape sequences.
</p>
<a name="boost_regex.background_information.standards.perl"></a><h5>
-<a name="id964707"></a>
+<a name="id936415"></a>
<a class="link" href="standards.html#boost_regex.background_information.standards.perl">Perl</a>
</h5>
<p>
@@ -62,7 +62,7 @@
(??{code}) Not implementable in a compiled strongly typed language.
</p>
<a name="boost_regex.background_information.standards.posix"></a><h5>
-<a name="id964731"></a>
+<a name="id936439"></a>
<a class="link" href="standards.html#boost_regex.background_information.standards.posix">POSIX</a>
</h5>
<p>
@@ -82,7 +82,7 @@
a custom traits class.
</p>
<a name="boost_regex.background_information.standards.unicode"></a><h5>
-<a name="id964755"></a>
+<a name="id936463"></a>
<a class="link" href="standards.html#boost_regex.background_information.standards.unicode">Unicode</a>
</h5>
<p>
Modified: trunk/libs/regex/doc/html/boost_regex/captures.html
==============================================================================
--- trunk/libs/regex/doc/html/boost_regex/captures.html (original)
+++ trunk/libs/regex/doc/html/boost_regex/captures.html 2009-04-25 13:32:49 EDT (Sat, 25 Apr 2009)
@@ -35,7 +35,7 @@
accessed.
</p>
<a name="boost_regex.captures.marked_sub_expressions"></a><h5>
-<a name="id808354"></a>
+<a name="id781457"></a>
<a class="link" href="captures.html#boost_regex.captures.marked_sub_expressions">Marked sub-expressions</a>
</h5>
<p>
@@ -218,7 +218,7 @@
output stream.
</p>
<a name="boost_regex.captures.unmatched_sub_expressions"></a><h5>
-<a name="id808810"></a>
+<a name="id781913"></a>
<a class="link" href="captures.html#boost_regex.captures.unmatched_sub_expressions">Unmatched Sub-Expressions</a>
</h5>
<p>
@@ -231,7 +231,7 @@
you can determine which sub-expressions matched by accessing the <code class="computeroutput"><span class="identifier">sub_match</span><span class="special">::</span><span class="identifier">matched</span></code> data member.
</p>
<a name="boost_regex.captures.repeated_captures"></a><h5>
-<a name="id808850"></a>
+<a name="id781953"></a>
<a class="link" href="captures.html#boost_regex.captures.repeated_captures">Repeated Captures</a>
</h5>
<p>
Modified: trunk/libs/regex/doc/html/boost_regex/format/boost_format_syntax.html
==============================================================================
--- trunk/libs/regex/doc/html/boost_regex/format/boost_format_syntax.html (original)
+++ trunk/libs/regex/doc/html/boost_regex/format/boost_format_syntax.html 2009-04-25 13:32:49 EDT (Sat, 25 Apr 2009)
@@ -32,7 +32,7 @@
'$', '\', '(', ')', '?', and ':'.
</p>
<a name="boost_regex.format.boost_format_syntax.grouping"></a><h5>
-<a name="id830630"></a>
+<a name="id802668"></a>
<a class="link" href="boost_format_syntax.html#boost_regex.format.boost_format_syntax.grouping">Grouping</a>
</h5>
<p>
@@ -40,7 +40,7 @@
you want a to output literal parenthesis.
</p>
<a name="boost_regex.format.boost_format_syntax.conditionals"></a><h5>
-<a name="id830647"></a>
+<a name="id802685"></a>
<a class="link" href="boost_format_syntax.html#boost_regex.format.boost_format_syntax.conditionals">Conditionals</a>
</h5>
<p>
@@ -66,7 +66,7 @@
with "bar" otherwise.
</p>
<a name="boost_regex.format.boost_format_syntax.placeholder_sequences"></a><h5>
-<a name="id830684"></a>
+<a name="id802722"></a>
<a class="link" href="boost_format_syntax.html#boost_regex.format.boost_format_syntax.placeholder_sequences">Placeholder
Sequences</a>
</h5>
@@ -161,7 +161,7 @@
as a literal.
</p>
<a name="boost_regex.format.boost_format_syntax.escape_sequences"></a><h5>
-<a name="id830824"></a>
+<a name="id802862"></a>
<a class="link" href="boost_format_syntax.html#boost_regex.format.boost_format_syntax.escape_sequences">Escape
Sequences</a>
</h5>
Modified: trunk/libs/regex/doc/html/boost_regex/install.html
==============================================================================
--- trunk/libs/regex/doc/html/boost_regex/install.html (original)
+++ trunk/libs/regex/doc/html/boost_regex/install.html 2009-04-25 13:32:49 EDT (Sat, 25 Apr 2009)
@@ -49,7 +49,7 @@
file before you can use it, instructions for specific platforms are as follows:
</p>
<a name="boost_regex.install.building_with_bjam"></a><h5>
-<a name="id805614"></a>
+<a name="id778713"></a>
<a class="link" href="install.html#boost_regex.install.building_with_bjam">Building with bjam</a>
</h5>
<p>
@@ -58,7 +58,7 @@
started guide</a> for more information.
</p>
<a name="boost_regex.install.building_with_unicode_and_icu_support"></a><h5>
-<a name="id805638"></a>
+<a name="id778737"></a>
<a class="link" href="install.html#boost_regex.install.building_with_unicode_and_icu_support">Building
With Unicode and ICU Support</a>
</h5>
@@ -96,11 +96,11 @@
ICU you are using is binary compatible with the toolset you use to build Boost.
</p>
<a name="boost_regex.install.building_via_makefiles"></a><h5>
-<a name="id805757"></a>
+<a name="id778856"></a>
<a class="link" href="install.html#boost_regex.install.building_via_makefiles">Building via makefiles</a>
</h5>
<a name="boost_regex.install.borland_c___builder_"></a><h6>
-<a name="id805770"></a>
+<a name="id778869"></a>
<a class="link" href="install.html#boost_regex.install.borland_c___builder_">Borland C++ Builder:</a>
</h6>
<div class="itemizedlist"><ul type="disc">
@@ -166,7 +166,7 @@
a lot in compile times!
</p>
<a name="boost_regex.install.microsoft_visual_c___6__7__7_1_and_8"></a><h5>
-<a name="id806009"></a>
+<a name="id779108"></a>
<a class="link" href="install.html#boost_regex.install.microsoft_visual_c___6__7__7_1_and_8">Microsoft
Visual C++ 6, 7, 7.1 and 8</a>
</h5>
@@ -253,7 +253,7 @@
</li>
</ul></div>
<a name="boost_regex.install.gcc_2_95_and_later_"></a><h6>
-<a name="id806208"></a>
+<a name="id779307"></a>
<a class="link" href="install.html#boost_regex.install.gcc_2_95_and_later_">GCC(2.95 and later)</a>
</h6>
<p>
@@ -302,7 +302,7 @@
see the config library documentation.
</p>
<a name="boost_regex.install.sun_workshop_6_1"></a><h6>
-<a name="id806334"></a>
+<a name="id779433"></a>
<a class="link" href="install.html#boost_regex.install.sun_workshop_6_1">Sun Workshop 6.1</a>
</h6>
<p>
@@ -347,7 +347,7 @@
will build v9 variants of the regex library named libboost_regex_v9.a etc.
</p>
<a name="boost_regex.install.makefiles_for_other_compilers"></a><h6>
-<a name="id806478"></a>
+<a name="id779577"></a>
<a class="link" href="install.html#boost_regex.install.makefiles_for_other_compilers">Makefiles
for Other compilers</a>
</h6>
Modified: trunk/libs/regex/doc/html/boost_regex/ref/bad_expression.html
==============================================================================
--- trunk/libs/regex/doc/html/boost_regex/ref/bad_expression.html (original)
+++ trunk/libs/regex/doc/html/boost_regex/ref/bad_expression.html 2009-04-25 13:32:49 EDT (Sat, 25 Apr 2009)
@@ -27,7 +27,7 @@
<a name="boost_regex.ref.bad_expression"></a><a class="link" href="bad_expression.html" title="bad_expression"> bad_expression</a>
</h3></div></div></div>
<a name="boost_regex.ref.bad_expression.synopsis"></a><h5>
-<a name="id911373"></a>
+<a name="id883611"></a>
<a class="link" href="bad_expression.html#boost_regex.ref.bad_expression.synopsis">Synopsis</a>
</h5>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">pattern_except</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
@@ -54,7 +54,7 @@
<span class="special">}</span> <span class="comment">// namespace boost
</span></pre>
<a name="boost_regex.ref.bad_expression.description"></a><h5>
-<a name="id911735"></a>
+<a name="id883972"></a>
<a class="link" href="bad_expression.html#boost_regex.ref.bad_expression.description">Description</a>
</h5>
<pre class="programlisting"><span class="identifier">regex_error</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">&</span> <span class="identifier">s</span><span class="special">,</span> <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">error_type</span> <span class="identifier">err</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">ptrdiff_t</span> <span class="identifier">pos</span><span class="special">);</span>
Modified: trunk/libs/regex/doc/html/boost_regex/ref/basic_regex.html
==============================================================================
--- trunk/libs/regex/doc/html/boost_regex/ref/basic_regex.html (original)
+++ trunk/libs/regex/doc/html/boost_regex/ref/basic_regex.html 2009-04-25 13:32:49 EDT (Sat, 25 Apr 2009)
@@ -27,7 +27,7 @@
<a name="boost_regex.ref.basic_regex"></a><a class="link" href="basic_regex.html" title="basic_regex"> basic_regex</a>
</h3></div></div></div>
<a name="boost_regex.ref.basic_regex.synopsis"></a><h5>
-<a name="id831168"></a>
+<a name="id803206"></a>
<a class="link" href="basic_regex.html#boost_regex.ref.basic_regex.synopsis">Synopsis</a>
</h5>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">regex</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
@@ -244,7 +244,7 @@
<span class="special">}</span> <span class="comment">// namespace boost
</span></pre>
<a name="boost_regex.ref.basic_regex.description"></a><h5>
-<a name="id835693"></a>
+<a name="id808818"></a>
<a class="link" href="basic_regex.html#boost_regex.ref.basic_regex.description">Description</a>
</h5>
<p>
@@ -327,7 +327,7 @@
<code class="computeroutput"><span class="identifier">basic_regex</span></code>.
</p>
<div class="table">
-<a name="id838696"></a><p class="title"><b>Table 1. basic_regex default construction postconditions</b></p>
+<a name="id810182"></a><p class="title"><b>Table 1. basic_regex default construction postconditions</b></p>
<div class="table-contents"><table class="table" summary="basic_regex default construction postconditions">
<colgroup>
<col>
@@ -407,7 +407,7 @@
flags</a> specified in <span class="emphasis"><em>f</em></span>.
</p>
<div class="table">
-<a name="id838994"></a><p class="title"><b>Table 2. Postconditions for basic_regex construction</b></p>
+<a name="id812119"></a><p class="title"><b>Table 2. Postconditions for basic_regex construction</b></p>
<div class="table-contents"><table class="table" summary="Postconditions for basic_regex construction">
<colgroup>
<col>
@@ -512,7 +512,7 @@
specified in <span class="emphasis"><em>f</em></span>.
</p>
<div class="table">
-<a name="id839406"></a><p class="title"><b>Table 3. Postconditions for basic_regex construction</b></p>
+<a name="id812531"></a><p class="title"><b>Table 3. Postconditions for basic_regex construction</b></p>
<div class="table-contents"><table class="table" summary="Postconditions for basic_regex construction">
<colgroup>
<col>
@@ -616,7 +616,7 @@
according the option flags specified in <span class="emphasis"><em>f</em></span>.
</p>
<div class="table">
-<a name="id839811"></a><p class="title"><b>Table 4. Postconditions for basic_regex construction</b></p>
+<a name="id812936"></a><p class="title"><b>Table 4. Postconditions for basic_regex construction</b></p>
<div class="table-contents"><table class="table" summary="Postconditions for basic_regex construction">
<colgroup>
<col>
@@ -727,7 +727,7 @@
flags</a> specified in <span class="emphasis"><em>f</em></span>.
</p>
<div class="table">
-<a name="id841930"></a><p class="title"><b>Table 5. Postconditions for basic_regex construction</b></p>
+<a name="id813412"></a><p class="title"><b>Table 5. Postconditions for basic_regex construction</b></p>
<div class="table-contents"><table class="table" summary="Postconditions for basic_regex construction">
<colgroup>
<col>
@@ -829,7 +829,7 @@
flags</a> specified in <span class="emphasis"><em>f</em></span>.
</p>
<div class="table">
-<a name="id842288"></a><p class="title"><b>Table 6. Postconditions for basic_regex construction</b></p>
+<a name="id813771"></a><p class="title"><b>Table 6. Postconditions for basic_regex construction</b></p>
<div class="table-contents"><table class="table" summary="Postconditions for basic_regex construction">
<colgroup>
<col>
@@ -1043,7 +1043,7 @@
in <span class="emphasis"><em>f</em></span>.
</p>
<div class="table">
-<a name="id844897"></a><p class="title"><b>Table 7. Postconditions for basic_regex::assign</b></p>
+<a name="id815427"></a><p class="title"><b>Table 7. Postconditions for basic_regex::assign</b></p>
<div class="table-contents"><table class="table" summary="Postconditions for basic_regex::assign">
<colgroup>
<col>
Modified: trunk/libs/regex/doc/html/boost_regex/ref/concepts/traits_concept.html
==============================================================================
--- trunk/libs/regex/doc/html/boost_regex/ref/concepts/traits_concept.html (original)
+++ trunk/libs/regex/doc/html/boost_regex/ref/concepts/traits_concept.html 2009-04-25 13:32:49 EDT (Sat, 25 Apr 2009)
@@ -34,7 +34,7 @@
Boost-specific enhanced interface.
</p>
<a name="boost_regex.ref.concepts.traits_concept.minimal_requirements_"></a><h5>
-<a name="id939105"></a>
+<a name="id911309"></a>
<a class="link" href="traits_concept.html#boost_regex.ref.concepts.traits_concept.minimal_requirements_">Minimal
requirements.</a>
</h5>
@@ -381,7 +381,7 @@
</tbody>
</table></div>
<a name="boost_regex.ref.concepts.traits_concept.additional_optional_requirements"></a><h5>
-<a name="id939720"></a>
+<a name="id911924"></a>
<a class="link" href="traits_concept.html#boost_regex.ref.concepts.traits_concept.additional_optional_requirements">Additional
Optional Requirements</a>
</h5>
Modified: trunk/libs/regex/doc/html/boost_regex/ref/deprecated_interfaces/regex_format.html
==============================================================================
--- trunk/libs/regex/doc/html/boost_regex/ref/deprecated_interfaces/regex_format.html (original)
+++ trunk/libs/regex/doc/html/boost_regex/ref/deprecated_interfaces/regex_format.html 2009-04-25 13:32:49 EDT (Sat, 25 Apr 2009)
@@ -34,7 +34,7 @@
previous version of Boost.Regex and will not be further updated:
</p>
<a name="boost_regex.ref.deprecated_interfaces.regex_format.algorithm_regex_format"></a><h5>
-<a name="id940303"></a>
+<a name="id912446"></a>
<a class="link" href="regex_format.html#boost_regex.ref.deprecated_interfaces.regex_format.algorithm_regex_format">Algorithm
regex_format</a>
</h5>
Modified: trunk/libs/regex/doc/html/boost_regex/ref/error_type.html
==============================================================================
--- trunk/libs/regex/doc/html/boost_regex/ref/error_type.html (original)
+++ trunk/libs/regex/doc/html/boost_regex/ref/error_type.html 2009-04-25 13:32:49 EDT (Sat, 25 Apr 2009)
@@ -27,7 +27,7 @@
<a name="boost_regex.ref.error_type"></a><a class="link" href="error_type.html" title="error_type"> error_type</a>
</h3></div></div></div>
<a name="boost_regex.ref.error_type.synopsis"></a><h5>
-<a name="id917903"></a>
+<a name="id889804"></a>
<a class="link" href="error_type.html#boost_regex.ref.error_type.synopsis">Synopsis</a>
</h5>
<p>
@@ -57,7 +57,7 @@
</span><span class="special">}</span> <span class="comment">// namespace boost
</span></pre>
<a name="boost_regex.ref.error_type.description"></a><h5>
-<a name="id918318"></a>
+<a name="id890220"></a>
<a class="link" href="error_type.html#boost_regex.ref.error_type.description">Description</a>
</h5>
<p>
Modified: trunk/libs/regex/doc/html/boost_regex/ref/match_flag_type.html
==============================================================================
--- trunk/libs/regex/doc/html/boost_regex/ref/match_flag_type.html (original)
+++ trunk/libs/regex/doc/html/boost_regex/ref/match_flag_type.html 2009-04-25 13:32:49 EDT (Sat, 25 Apr 2009)
@@ -69,7 +69,7 @@
</span><span class="special">}</span> <span class="comment">// namespace boost
</span></pre>
<a name="boost_regex.ref.match_flag_type.description"></a><h5>
-<a name="id917352"></a>
+<a name="id889254"></a>
<a class="link" href="match_flag_type.html#boost_regex.ref.match_flag_type.description">Description</a>
</h5>
<p>
Modified: trunk/libs/regex/doc/html/boost_regex/ref/match_results.html
==============================================================================
--- trunk/libs/regex/doc/html/boost_regex/ref/match_results.html (original)
+++ trunk/libs/regex/doc/html/boost_regex/ref/match_results.html 2009-04-25 13:32:49 EDT (Sat, 25 Apr 2009)
@@ -27,7 +27,7 @@
<a name="boost_regex.ref.match_results"></a><a class="link" href="match_results.html" title="match_results"> match_results</a>
</h3></div></div></div>
<a name="boost_regex.ref.match_results.synopsis"></a><h5>
-<a name="id847363"></a>
+<a name="id818644"></a>
<a class="link" href="match_results.html#boost_regex.ref.match_results.synopsis">Synopsis</a>
</h5>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">regex</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
@@ -142,7 +142,7 @@
<span class="identifier">match_results</span><span class="special"><</span><span class="identifier">BidirectionalIterator</span><span class="special">,</span> <span class="identifier">Allocator</span><span class="special">>&</span> <span class="identifier">m2</span><span class="special">);</span>
</pre>
<a name="boost_regex.ref.match_results.description"></a><h5>
-<a name="id849957"></a>
+<a name="id821784"></a>
<a class="link" href="match_results.html#boost_regex.ref.match_results.description">Description</a>
</h5>
<p>
Modified: trunk/libs/regex/doc/html/boost_regex/ref/non_std_strings/icu/unicode_algo.html
==============================================================================
--- trunk/libs/regex/doc/html/boost_regex/ref/non_std_strings/icu/unicode_algo.html (original)
+++ trunk/libs/regex/doc/html/boost_regex/ref/non_std_strings/icu/unicode_algo.html 2009-04-25 13:32:49 EDT (Sat, 25 Apr 2009)
@@ -43,7 +43,7 @@
on to the "real" algorithm.
</p>
<a name="boost_regex.ref.non_std_strings.icu.unicode_algo.u32regex_match"></a><h5>
-<a name="id920675"></a>
+<a name="id892187"></a>
<a class="link" href="unicode_algo.html#boost_regex.ref.non_std_strings.icu.unicode_algo.u32regex_match">u32regex_match</a>
</h5>
<p>
@@ -89,7 +89,7 @@
<span class="special">}</span>
</pre>
<a name="boost_regex.ref.non_std_strings.icu.unicode_algo.u32regex_search"></a><h5>
-<a name="id923146"></a>
+<a name="id892702"></a>
<a class="link" href="unicode_algo.html#boost_regex.ref.non_std_strings.icu.unicode_algo.u32regex_search">u32regex_search</a>
</h5>
<p>
@@ -128,7 +128,7 @@
<span class="special">}</span>
</pre>
<a name="boost_regex.ref.non_std_strings.icu.unicode_algo.u32regex_replace"></a><h5>
-<a name="id923564"></a>
+<a name="id893121"></a>
<a class="link" href="unicode_algo.html#boost_regex.ref.non_std_strings.icu.unicode_algo.u32regex_replace">u32regex_replace</a>
</h5>
<p>
Modified: trunk/libs/regex/doc/html/boost_regex/ref/non_std_strings/icu/unicode_iter.html
==============================================================================
--- trunk/libs/regex/doc/html/boost_regex/ref/non_std_strings/icu/unicode_iter.html (original)
+++ trunk/libs/regex/doc/html/boost_regex/ref/non_std_strings/icu/unicode_iter.html 2009-04-25 13:32:49 EDT (Sat, 25 Apr 2009)
@@ -28,7 +28,7 @@
Unicode Aware Regex Iterators</a>
</h5></div></div></div>
<a name="boost_regex.ref.non_std_strings.icu.unicode_iter.u32regex_iterator"></a><h5>
-<a name="id923882"></a>
+<a name="id893439"></a>
<a class="link" href="unicode_iter.html#boost_regex.ref.non_std_strings.icu.unicode_iter.u32regex_iterator">u32regex_iterator</a>
</h5>
<p>
@@ -126,7 +126,7 @@
Provided of course that the input is encoded as UTF-8.
</p>
<a name="boost_regex.ref.non_std_strings.icu.unicode_iter.u32regex_token_iterator"></a><h5>
-<a name="id925151"></a>
+<a name="id895828"></a>
<a class="link" href="unicode_iter.html#boost_regex.ref.non_std_strings.icu.unicode_iter.u32regex_token_iterator">u32regex_token_iterator</a>
</h5>
<p>
Modified: trunk/libs/regex/doc/html/boost_regex/ref/non_std_strings/mfc_strings/mfc_algo.html
==============================================================================
--- trunk/libs/regex/doc/html/boost_regex/ref/non_std_strings/mfc_strings/mfc_algo.html (original)
+++ trunk/libs/regex/doc/html/boost_regex/ref/non_std_strings/mfc_strings/mfc_algo.html 2009-04-25 13:32:49 EDT (Sat, 25 Apr 2009)
@@ -34,7 +34,7 @@
here they are anyway:
</p>
<a name="boost_regex.ref.non_std_strings.mfc_strings.mfc_algo.regex_match"></a><h5>
-<a name="id928910"></a>
+<a name="id900818"></a>
<a class="link" href="mfc_algo.html#boost_regex.ref.non_std_strings.mfc_strings.mfc_algo.regex_match">regex_match</a>
</h5>
<p>
@@ -82,7 +82,7 @@
<span class="special">}</span>
</pre>
<a name="boost_regex.ref.non_std_strings.mfc_strings.mfc_algo.regex_match__second_overload_"></a><h5>
-<a name="id929567"></a>
+<a name="id901476"></a>
<a class="link" href="mfc_algo.html#boost_regex.ref.non_std_strings.mfc_strings.mfc_algo.regex_match__second_overload_">regex_match
(second overload)</a>
</h5>
@@ -110,7 +110,7 @@
<span class="special">}</span>
</pre>
<a name="boost_regex.ref.non_std_strings.mfc_strings.mfc_algo.regex_search"></a><h5>
-<a name="id931101"></a>
+<a name="id901906"></a>
<a class="link" href="mfc_algo.html#boost_regex.ref.non_std_strings.mfc_strings.mfc_algo.regex_search">regex_search</a>
</h5>
<p>
@@ -149,7 +149,7 @@
<span class="special">}</span>
</pre>
<a name="boost_regex.ref.non_std_strings.mfc_strings.mfc_algo.regex_search__second_overload_"></a><h5>
-<a name="id931636"></a>
+<a name="id902442"></a>
<a class="link" href="mfc_algo.html#boost_regex.ref.non_std_strings.mfc_strings.mfc_algo.regex_search__second_overload_">regex_search
(second overload)</a>
</h5>
@@ -164,7 +164,7 @@
<span class="special">+</span> <span class="identifier">s</span><span class="special">.</span><span class="identifier">GetLength</span><span class="special">(),</span> <span class="identifier">e</span><span class="special">,</span> <span class="identifier">f</span><span class="special">);</span></code>
</p>
<a name="boost_regex.ref.non_std_strings.mfc_strings.mfc_algo.regex_replace"></a><h5>
-<a name="id931926"></a>
+<a name="id905547"></a>
<a class="link" href="mfc_algo.html#boost_regex.ref.non_std_strings.mfc_strings.mfc_algo.regex_replace">regex_replace</a>
</h5>
<p>
Modified: trunk/libs/regex/doc/html/boost_regex/ref/non_std_strings/mfc_strings/mfc_iter.html
==============================================================================
--- trunk/libs/regex/doc/html/boost_regex/ref/non_std_strings/mfc_strings/mfc_iter.html (original)
+++ trunk/libs/regex/doc/html/boost_regex/ref/non_std_strings/mfc_strings/mfc_iter.html 2009-04-25 13:32:49 EDT (Sat, 25 Apr 2009)
@@ -32,7 +32,7 @@
an MFC/ATL string to a <a class="link" href="../../regex_iterator.html" title="regex_iterator"><code class="computeroutput"><span class="identifier">regex_iterator</span></code></a> or <a class="link" href="../../regex_token_iterator.html" title="regex_token_iterator"><code class="computeroutput"><span class="identifier">regex_token_iterator</span></code></a>:
</p>
<a name="boost_regex.ref.non_std_strings.mfc_strings.mfc_iter.regex_iterator_creation_helper"></a><h5>
-<a name="id932697"></a>
+<a name="id906317"></a>
<a class="link" href="mfc_iter.html#boost_regex.ref.non_std_strings.mfc_strings.mfc_iter.regex_iterator_creation_helper">regex_iterator
creation helper</a>
</h5>
@@ -68,7 +68,7 @@
<span class="special">}</span>
</pre>
<a name="boost_regex.ref.non_std_strings.mfc_strings.mfc_iter.regex_token_iterator_creation_helpers"></a><h5>
-<a name="id935236"></a>
+<a name="id906865"></a>
<a class="link" href="mfc_iter.html#boost_regex.ref.non_std_strings.mfc_strings.mfc_iter.regex_token_iterator_creation_helpers">regex_token_iterator
creation helpers</a>
</h5>
Modified: trunk/libs/regex/doc/html/boost_regex/ref/posix.html
==============================================================================
--- trunk/libs/regex/doc/html/boost_regex/ref/posix.html (original)
+++ trunk/libs/regex/doc/html/boost_regex/ref/posix.html 2009-04-25 13:32:49 EDT (Sat, 25 Apr 2009)
@@ -165,7 +165,7 @@
<a name="regcomp"></a><p>
</p>
<a name="boost_regex.ref.posix.regcomp"></a><h5>
-<a name="id937926"></a>
+<a name="id909004"></a>
<a class="link" href="posix.html#boost_regex.ref.posix.regcomp">regcomp</a>
</h5>
<p>
@@ -379,7 +379,7 @@
<a name="regerror"></a><p>
</p>
<a name="boost_regex.ref.posix.regerror"></a><h5>
-<a name="id938432"></a>
+<a name="id909510"></a>
<a class="link" href="posix.html#boost_regex.ref.posix.regerror">regerror</a>
</h5>
<p>
@@ -467,7 +467,7 @@
<a name="regexec"></a><p>
</p>
<a name="boost_regex.ref.posix.regexec"></a><h5>
-<a name="id938560"></a>
+<a name="id909638"></a>
<a class="link" href="posix.html#boost_regex.ref.posix.regexec">regexec</a>
</h5>
<p>
@@ -537,7 +537,7 @@
<a name="regfree"></a><p>
</p>
<a name="boost_regex.ref.posix.regfree"></a><h5>
-<a name="id938672"></a>
+<a name="id909750"></a>
<a class="link" href="posix.html#boost_regex.ref.posix.regfree">regfree</a>
</h5>
<p>
Modified: trunk/libs/regex/doc/html/boost_regex/ref/regex_iterator.html
==============================================================================
--- trunk/libs/regex/doc/html/boost_regex/ref/regex_iterator.html (original)
+++ trunk/libs/regex/doc/html/boost_regex/ref/regex_iterator.html 2009-04-25 13:32:49 EDT (Sat, 25 Apr 2009)
@@ -78,7 +78,7 @@
<span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">m</span> <span class="special">=</span> <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_default</span><span class="special">);</span>
</pre>
<a name="boost_regex.ref.regex_iterator.description"></a><h5>
-<a name="id896324"></a>
+<a name="id867332"></a>
<a class="link" href="regex_iterator.html#boost_regex.ref.regex_iterator.description">Description</a>
</h5>
<p>
@@ -436,7 +436,7 @@
<span class="emphasis"><em>m</em></span>.
</p>
<a name="boost_regex.ref.regex_iterator.examples"></a><h5>
-<a name="id898681"></a>
+<a name="id870714"></a>
<a class="link" href="regex_iterator.html#boost_regex.ref.regex_iterator.examples">Examples</a>
</h5>
<p>
Modified: trunk/libs/regex/doc/html/boost_regex/ref/regex_match.html
==============================================================================
--- trunk/libs/regex/doc/html/boost_regex/ref/regex_match.html (original)
+++ trunk/libs/regex/doc/html/boost_regex/ref/regex_match.html 2009-04-25 13:32:49 EDT (Sat, 25 Apr 2009)
@@ -80,7 +80,7 @@
<span class="identifier">match_flag_type</span> <span class="identifier">flags</span> <span class="special">=</span> <span class="identifier">match_default</span><span class="special">);</span>
</pre>
<a name="boost_regex.ref.regex_match.description"></a><h5>
-<a name="id878078"></a>
+<a name="id851340"></a>
<a class="link" href="regex_match.html#boost_regex.ref.regex_match.description">Description</a>
</h5>
<pre class="programlisting"><span class="keyword">template</span> <span class="special"><</span><span class="keyword">class</span> <span class="identifier">BidirectionalIterator</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">Allocator</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">charT</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">traits</span><span class="special">></span>
@@ -360,7 +360,7 @@
<span class="bold"><strong>Effects</strong></span>: Returns the result of <code class="computeroutput"><span class="identifier">regex_match</span><span class="special">(</span><span class="identifier">s</span><span class="special">.</span><span class="identifier">begin</span><span class="special">(),</span> <span class="identifier">s</span><span class="special">.</span><span class="identifier">end</span><span class="special">(),</span> <span class="identifier">e</span><span class="special">,</span> <span class="identifier">flags</span><span class="special">)</span></code>.
</p>
<a name="boost_regex.ref.regex_match.examples"></a><h5>
-<a name="id882087"></a>
+<a name="id855348"></a>
<a class="link" href="regex_match.html#boost_regex.ref.regex_match.examples">Examples</a>
</h5>
<p>
Modified: trunk/libs/regex/doc/html/boost_regex/ref/regex_replace.html
==============================================================================
--- trunk/libs/regex/doc/html/boost_regex/ref/regex_replace.html (original)
+++ trunk/libs/regex/doc/html/boost_regex/ref/regex_replace.html 2009-04-25 13:32:49 EDT (Sat, 25 Apr 2009)
@@ -53,7 +53,7 @@
<span class="identifier">match_flag_type</span> <span class="identifier">flags</span> <span class="special">=</span> <span class="identifier">match_default</span><span class="special">);</span>
</pre>
<a name="boost_regex.ref.regex_replace.description"></a><h5>
-<a name="id889850"></a>
+<a name="id861814"></a>
<a class="link" href="regex_replace.html#boost_regex.ref.regex_replace.description">Description</a>
</h5>
<pre class="programlisting"><span class="keyword">template</span> <span class="special"><</span><span class="keyword">class</span> <span class="identifier">OutputIterator</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">BidirectionalIterator</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">traits</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">charT</span><span class="special">></span>
@@ -163,7 +163,7 @@
and then returns <code class="computeroutput"><span class="identifier">result</span></code>.
</p>
<a name="boost_regex.ref.regex_replace.examples"></a><h5>
-<a name="id890965"></a>
+<a name="id863066"></a>
<a class="link" href="regex_replace.html#boost_regex.ref.regex_replace.examples">Examples</a>
</h5>
<p>
Modified: trunk/libs/regex/doc/html/boost_regex/ref/regex_search.html
==============================================================================
--- trunk/libs/regex/doc/html/boost_regex/ref/regex_search.html (original)
+++ trunk/libs/regex/doc/html/boost_regex/ref/regex_search.html 2009-04-25 13:32:49 EDT (Sat, 25 Apr 2009)
@@ -73,7 +73,7 @@
<span class="identifier">match_flag_type</span> <span class="identifier">flags</span> <span class="special">=</span> <span class="identifier">match_default</span><span class="special">);</span>
</pre>
<a name="boost_regex.ref.regex_search.description"></a><h5>
-<a name="id884803"></a>
+<a name="id856972"></a>
<a class="link" href="regex_search.html#boost_regex.ref.regex_search.description">Description</a>
</h5>
<pre class="programlisting"><span class="keyword">template</span> <span class="special"><</span><span class="keyword">class</span> <span class="identifier">BidirectionalIterator</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">Allocator</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">charT</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">traits</span><span class="special">></span>
@@ -355,7 +355,7 @@
<span class="bold"><strong>Effects</strong></span>: Returns the result of <code class="computeroutput"><span class="identifier">regex_search</span><span class="special">(</span><span class="identifier">s</span><span class="special">.</span><span class="identifier">begin</span><span class="special">(),</span> <span class="identifier">s</span><span class="special">.</span><span class="identifier">end</span><span class="special">(),</span> <span class="identifier">e</span><span class="special">,</span> <span class="identifier">flags</span><span class="special">)</span></code>.
</p>
<a name="boost_regex.ref.regex_search.examples"></a><h5>
-<a name="id888397"></a>
+<a name="id860498"></a>
<a class="link" href="regex_search.html#boost_regex.ref.regex_search.examples">Examples</a>
</h5>
<p>
Modified: trunk/libs/regex/doc/html/boost_regex/ref/regex_token_iterator.html
==============================================================================
--- trunk/libs/regex/doc/html/boost_regex/ref/regex_token_iterator.html (original)
+++ trunk/libs/regex/doc/html/boost_regex/ref/regex_token_iterator.html 2009-04-25 13:32:49 EDT (Sat, 25 Apr 2009)
@@ -136,7 +136,7 @@
<span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_flag_type</span> <span class="identifier">m</span> <span class="special">=</span> <span class="identifier">regex_constants</span><span class="special">::</span><span class="identifier">match_default</span><span class="special">);</span>
</pre>
<a name="boost_regex.ref.regex_token_iterator.description"></a><h5>
-<a name="id904578"></a>
+<a name="id876064"></a>
<a class="link" href="regex_token_iterator.html#boost_regex.ref.regex_token_iterator.description">Description</a>
</h5>
<a name="boost_regex.regex_token_iterator.construct1"></a><p>
@@ -383,7 +383,7 @@
<span class="emphasis"><em>m</em></span>.
</p>
<a name="boost_regex.ref.regex_token_iterator.examples"></a><h5>
-<a name="id909280"></a>
+<a name="id881603"></a>
<a class="link" href="regex_token_iterator.html#boost_regex.ref.regex_token_iterator.examples">Examples</a>
</h5>
<p>
Modified: trunk/libs/regex/doc/html/boost_regex/ref/regex_traits.html
==============================================================================
--- trunk/libs/regex/doc/html/boost_regex/ref/regex_traits.html (original)
+++ trunk/libs/regex/doc/html/boost_regex/ref/regex_traits.html 2009-04-25 13:32:49 EDT (Sat, 25 Apr 2009)
@@ -46,7 +46,7 @@
<span class="special">}</span> <span class="comment">// namespace boost
</span></pre>
<a name="boost_regex.ref.regex_traits.description"></a><h5>
-<a name="id919480"></a>
+<a name="id890760"></a>
<a class="link" href="regex_traits.html#boost_regex.ref.regex_traits.description">Description</a>
</h5>
<p>
Modified: trunk/libs/regex/doc/html/boost_regex/ref/sub_match.html
==============================================================================
--- trunk/libs/regex/doc/html/boost_regex/ref/sub_match.html (original)
+++ trunk/libs/regex/doc/html/boost_regex/ref/sub_match.html 2009-04-25 13:32:49 EDT (Sat, 25 Apr 2009)
@@ -329,11 +329,11 @@
<span class="special">}</span> <span class="comment">// namespace boost
</span></pre>
<a name="boost_regex.ref.sub_match.description"></a><h5>
-<a name="id863009"></a>
+<a name="id835742"></a>
<a class="link" href="sub_match.html#boost_regex.ref.sub_match.description">Description</a>
</h5>
<a name="boost_regex.ref.sub_match.members"></a><h6>
-<a name="id863023"></a>
+<a name="id835755"></a>
<a class="link" href="sub_match.html#boost_regex.ref.sub_match.members">Members</a>
</h6>
<a name="boost_regex.sub_match.value_type"></a><p>
@@ -473,7 +473,7 @@
</li>
</ul></div>
<a name="boost_regex.ref.sub_match.sub_match_non_member_operators"></a><h6>
-<a name="id865762"></a>
+<a name="id836855"></a>
<a class="link" href="sub_match.html#boost_regex.ref.sub_match.sub_match_non_member_operators">sub_match
non-member operators</a>
</h6>
@@ -1008,7 +1008,7 @@
<span class="special">+</span> <span class="identifier">m2</span><span class="special">.</span><span class="identifier">str</span><span class="special">()</span></code>.
</p>
<a name="boost_regex.ref.sub_match.stream_inserter"></a><h6>
-<a name="id876680"></a>
+<a name="id849395"></a>
<a class="link" href="sub_match.html#boost_regex.ref.sub_match.stream_inserter">Stream inserter</a>
</h6>
<a name="boost_regex.sub_match.op_stream"></a><p>
Modified: trunk/libs/regex/doc/html/boost_regex/syntax/basic_extended.html
==============================================================================
--- trunk/libs/regex/doc/html/boost_regex/syntax/basic_extended.html (original)
+++ trunk/libs/regex/doc/html/boost_regex/syntax/basic_extended.html 2009-04-25 13:32:49 EDT (Sat, 25 Apr 2009)
@@ -28,7 +28,7 @@
Expression Syntax</a>
</h3></div></div></div>
<a name="boost_regex.syntax.basic_extended.synopsis"></a><h4>
-<a name="id819412"></a>
+<a name="id791861"></a>
<a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.synopsis">Synopsis</a>
</h4>
<p>
@@ -46,7 +46,7 @@
<a name="boost_regex.posix_extended_syntax"></a><p>
</p>
<a name="boost_regex.syntax.basic_extended.posix_extended_syntax"></a><h4>
-<a name="id819591"></a>
+<a name="id792040"></a>
<a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.posix_extended_syntax">POSIX
Extended Syntax</a>
</h4>
@@ -56,7 +56,7 @@
</p>
<pre class="programlisting">.[{()\*+?|^$</pre>
<a name="boost_regex.syntax.basic_extended.wildcard_"></a><h5>
-<a name="id819612"></a>
+<a name="id792062"></a>
<a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.wildcard_">Wildcard:</a>
</h5>
<p>
@@ -74,7 +74,7 @@
</li>
</ul></div>
<a name="boost_regex.syntax.basic_extended.anchors_"></a><h5>
-<a name="id819657"></a>
+<a name="id792106"></a>
<a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.anchors_">Anchors:</a>
</h5>
<p>
@@ -86,7 +86,7 @@
of an expression, or the last character of a sub-expression.
</p>
<a name="boost_regex.syntax.basic_extended.marked_sub_expressions_"></a><h5>
-<a name="id819679"></a>
+<a name="id792129"></a>
<a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.marked_sub_expressions_">Marked
sub-expressions:</a>
</h5>
@@ -98,7 +98,7 @@
to by a back-reference.
</p>
<a name="boost_regex.syntax.basic_extended.repeats_"></a><h5>
-<a name="id819713"></a>
+<a name="id792163"></a>
<a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.repeats_">Repeats:</a>
</h5>
<p>
@@ -184,7 +184,7 @@
operator to be applied to.
</p>
<a name="boost_regex.syntax.basic_extended.back_references_"></a><h5>
-<a name="id820975"></a>
+<a name="id792469"></a>
<a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.back_references_">Back references:</a>
</h5>
<p>
@@ -214,7 +214,7 @@
</p></td></tr>
</table></div>
<a name="boost_regex.syntax.basic_extended.alternation"></a><h5>
-<a name="id821039"></a>
+<a name="id792532"></a>
<a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.alternation">Alternation</a>
</h5>
<p>
@@ -227,7 +227,7 @@
will match either of "abd" or "abef".
</p>
<a name="boost_regex.syntax.basic_extended.character_sets_"></a><h5>
-<a name="id821106"></a>
+<a name="id792599"></a>
<a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.character_sets_">Character
sets:</a>
</h5>
@@ -240,7 +240,7 @@
A bracket expression may contain any combination of the following:
</p>
<a name="boost_regex.syntax.basic_extended.single_characters_"></a><h6>
-<a name="id821126"></a>
+<a name="id792620"></a>
<a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.single_characters_">Single
characters:</a>
</h6>
@@ -249,7 +249,7 @@
or 'c'.
</p>
<a name="boost_regex.syntax.basic_extended.character_ranges_"></a><h6>
-<a name="id821158"></a>
+<a name="id792651"></a>
<a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.character_ranges_">Character
ranges:</a>
</h6>
@@ -265,7 +265,7 @@
the code points of the characters only.
</p>
<a name="boost_regex.syntax.basic_extended.negation_"></a><h6>
-<a name="id821219"></a>
+<a name="id792712"></a>
<a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.negation_">Negation:</a>
</h6>
<p>
@@ -274,7 +274,7 @@
range <code class="computeroutput"><span class="identifier">a</span><span class="special">-</span><span class="identifier">c</span></code>.
</p>
<a name="boost_regex.syntax.basic_extended.character_classes_"></a><h6>
-<a name="id821273"></a>
+<a name="id792766"></a>
<a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.character_classes_">Character
classes:</a>
</h6>
@@ -284,7 +284,7 @@
<a class="link" href="character_classes.html" title="Character Class Names">character class names</a>.
</p>
<a name="boost_regex.syntax.basic_extended.collating_elements_"></a><h6>
-<a name="id821324"></a>
+<a name="id792818"></a>
<a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.collating_elements_">Collating
Elements:</a>
</h6>
@@ -312,7 +312,7 @@
matches a NUL character.
</p>
<a name="boost_regex.syntax.basic_extended.equivalence_classes_"></a><h6>
-<a name="id821426"></a>
+<a name="id792920"></a>
<a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.equivalence_classes_">Equivalence
classes:</a>
</h6>
@@ -329,7 +329,7 @@
or even all locales on one platform.
</p>
<a name="boost_regex.syntax.basic_extended.combinations_"></a><h6>
-<a name="id821484"></a>
+<a name="id792977"></a>
<a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.combinations_">Combinations:</a>
</h6>
<p>
@@ -337,7 +337,7 @@
<code class="computeroutput"><span class="special">[[:</span><span class="identifier">digit</span><span class="special">:]</span><span class="identifier">a</span><span class="special">-</span><span class="identifier">c</span><span class="special">[.</span><span class="identifier">NUL</span><span class="special">.]]</span></code>.
</p>
<a name="boost_regex.syntax.basic_extended.escapes"></a><h5>
-<a name="id821537"></a>
+<a name="id793030"></a>
<a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.escapes">Escapes</a>
</h5>
<p>
@@ -363,7 +363,7 @@
extensions are also supported by Boost.Regex:
</p>
<a name="boost_regex.syntax.basic_extended.escapes_matching_a_specific_character"></a><h6>
-<a name="id821580"></a>
+<a name="id793073"></a>
<a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.escapes_matching_a_specific_character">Escapes
matching a specific character</a>
</h6>
@@ -552,7 +552,7 @@
</tbody>
</table></div>
<a name="boost_regex.syntax.basic_extended._quot_single_character_quot__character_classes_"></a><h6>
-<a name="id821870"></a>
+<a name="id793364"></a>
<a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended._quot_single_character_quot__character_classes_">"Single
character" character classes:</a>
</h6>
@@ -706,7 +706,7 @@
</tbody>
</table></div>
<a name="boost_regex.syntax.basic_extended.character_properties"></a><h6>
-<a name="id822359"></a>
+<a name="id793921"></a>
<a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.character_properties">Character
Properties</a>
</h6>
@@ -813,7 +813,7 @@
matches any "digit" character, as does <code class="computeroutput"><span class="special">\</span><span class="identifier">p</span><span class="special">{</span><span class="identifier">digit</span><span class="special">}</span></code>.
</p>
<a name="boost_regex.syntax.basic_extended.word_boundaries"></a><h6>
-<a name="id822666"></a>
+<a name="id794228"></a>
<a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.word_boundaries">Word Boundaries</a>
</h6>
<p>
@@ -888,7 +888,7 @@
</tbody>
</table></div>
<a name="boost_regex.syntax.basic_extended.buffer_boundaries"></a><h6>
-<a name="id822822"></a>
+<a name="id794384"></a>
<a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.buffer_boundaries">Buffer
boundaries</a>
</h6>
@@ -979,7 +979,7 @@
</tbody>
</table></div>
<a name="boost_regex.syntax.basic_extended.continuation_escape"></a><h6>
-<a name="id823007"></a>
+<a name="id794569"></a>
<a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.continuation_escape">Continuation
Escape</a>
</h6>
@@ -991,7 +991,7 @@
match to start where the last one ended.
</p>
<a name="boost_regex.syntax.basic_extended.quoting_escape"></a><h6>
-<a name="id823034"></a>
+<a name="id794597"></a>
<a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.quoting_escape">Quoting
escape</a>
</h6>
@@ -1005,7 +1005,7 @@
<span class="special">\*+</span><span class="identifier">aaa</span>
</pre>
<a name="boost_regex.syntax.basic_extended.unicode_escapes"></a><h6>
-<a name="id823320"></a>
+<a name="id794677"></a>
<a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.unicode_escapes">Unicode
escapes</a>
</h6>
@@ -1056,7 +1056,7 @@
</tbody>
</table></div>
<a name="boost_regex.syntax.basic_extended.any_other_escape"></a><h6>
-<a name="id823422"></a>
+<a name="id794779"></a>
<a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.any_other_escape">Any other
escape</a>
</h6>
@@ -1065,7 +1065,7 @@
\@ matches a literal '@'.
</p>
<a name="boost_regex.syntax.basic_extended.operator_precedence"></a><h5>
-<a name="id823439"></a>
+<a name="id794796"></a>
<a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.operator_precedence">Operator
precedence</a>
</h5>
@@ -1101,7 +1101,7 @@
</li>
</ol></div>
<a name="boost_regex.syntax.basic_extended.what_gets_matched"></a><h5>
-<a name="id823572"></a>
+<a name="id794929"></a>
<a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.what_gets_matched">What
Gets Matched</a>
</h5>
@@ -1111,11 +1111,11 @@
rule</a>.
</p>
<a name="boost_regex.syntax.basic_extended.variations"></a><h4>
-<a name="id823594"></a>
+<a name="id794951"></a>
<a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.variations">Variations</a>
</h4>
<a name="boost_regex.syntax.basic_extended.egrep"></a><h5>
-<a name="id823607"></a>
+<a name="id794964"></a>
<a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.egrep">Egrep</a>
</h5>
<p>
@@ -1136,7 +1136,7 @@
used with the -E option.
</p>
<a name="boost_regex.syntax.basic_extended.awk"></a><h5>
-<a name="id823709"></a>
+<a name="id795066"></a>
<a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.awk">awk</a>
</h5>
<p>
@@ -1150,7 +1150,7 @@
these by default anyway.
</p>
<a name="boost_regex.syntax.basic_extended.options"></a><h4>
-<a name="id823734"></a>
+<a name="id795091"></a>
<a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.options">Options</a>
</h4>
<p>
@@ -1163,7 +1163,7 @@
modify how the case and locale sensitivity are to be applied.
</p>
<a name="boost_regex.syntax.basic_extended.references"></a><h4>
-<a name="id823812"></a>
+<a name="id795169"></a>
<a class="link" href="basic_extended.html#boost_regex.syntax.basic_extended.references">References</a>
</h4>
<p>
Modified: trunk/libs/regex/doc/html/boost_regex/syntax/basic_syntax.html
==============================================================================
--- trunk/libs/regex/doc/html/boost_regex/syntax/basic_syntax.html (original)
+++ trunk/libs/regex/doc/html/boost_regex/syntax/basic_syntax.html 2009-04-25 13:32:49 EDT (Sat, 25 Apr 2009)
@@ -28,7 +28,7 @@
Expression Syntax</a>
</h3></div></div></div>
<a name="boost_regex.syntax.basic_syntax.synopsis"></a><h4>
-<a name="id823861"></a>
+<a name="id795218"></a>
<a class="link" href="basic_syntax.html#boost_regex.syntax.basic_syntax.synopsis">Synopsis</a>
</h4>
<p>
@@ -45,7 +45,7 @@
<a name="boost_regex.posix_basic"></a><p>
</p>
<a name="boost_regex.syntax.basic_syntax.posix_basic_syntax"></a><h4>
-<a name="id824057"></a>
+<a name="id795414"></a>
<a class="link" href="basic_syntax.html#boost_regex.syntax.basic_syntax.posix_basic_syntax">POSIX
Basic Syntax</a>
</h4>
@@ -55,7 +55,7 @@
</p>
<pre class="programlisting">.[\*^$</pre>
<a name="boost_regex.syntax.basic_syntax.wildcard_"></a><h5>
-<a name="id824079"></a>
+<a name="id795435"></a>
<a class="link" href="basic_syntax.html#boost_regex.syntax.basic_syntax.wildcard_">Wildcard:</a>
</h5>
<p>
@@ -73,7 +73,7 @@
</li>
</ul></div>
<a name="boost_regex.syntax.basic_syntax.anchors_"></a><h5>
-<a name="id824123"></a>
+<a name="id795480"></a>
<a class="link" href="basic_syntax.html#boost_regex.syntax.basic_syntax.anchors_">Anchors:</a>
</h5>
<p>
@@ -85,7 +85,7 @@
of an expression, or the last character of a sub-expression.
</p>
<a name="boost_regex.syntax.basic_syntax.marked_sub_expressions_"></a><h5>
-<a name="id824143"></a>
+<a name="id795500"></a>
<a class="link" href="basic_syntax.html#boost_regex.syntax.basic_syntax.marked_sub_expressions_">Marked
sub-expressions:</a>
</h5>
@@ -97,7 +97,7 @@
by a back-reference.
</p>
<a name="boost_regex.syntax.basic_syntax.repeats_"></a><h5>
-<a name="id824175"></a>
+<a name="id795531"></a>
<a class="link" href="basic_syntax.html#boost_regex.syntax.basic_syntax.repeats_">Repeats:</a>
</h5>
<p>
@@ -155,7 +155,7 @@
to.
</p>
<a name="boost_regex.syntax.basic_syntax.back_references_"></a><h5>
-<a name="id824339"></a>
+<a name="id795696"></a>
<a class="link" href="basic_syntax.html#boost_regex.syntax.basic_syntax.back_references_">Back references:</a>
</h5>
<p>
@@ -173,7 +173,7 @@
</p>
<pre class="programlisting">aaabba</pre>
<a name="boost_regex.syntax.basic_syntax.character_sets_"></a><h5>
-<a name="id824388"></a>
+<a name="id796514"></a>
<a class="link" href="basic_syntax.html#boost_regex.syntax.basic_syntax.character_sets_">Character
sets:</a>
</h5>
@@ -186,7 +186,7 @@
A bracket expression may contain any combination of the following:
</p>
<a name="boost_regex.syntax.basic_syntax.single_characters_"></a><h6>
-<a name="id824409"></a>
+<a name="id796534"></a>
<a class="link" href="basic_syntax.html#boost_regex.syntax.basic_syntax.single_characters_">Single
characters:</a>
</h6>
@@ -195,7 +195,7 @@
or 'c'.
</p>
<a name="boost_regex.syntax.basic_syntax.character_ranges_"></a><h6>
-<a name="id824440"></a>
+<a name="id796565"></a>
<a class="link" href="basic_syntax.html#boost_regex.syntax.basic_syntax.character_ranges_">Character
ranges:</a>
</h6>
@@ -211,7 +211,7 @@
of the characters only.
</p>
<a name="boost_regex.syntax.basic_syntax.negation_"></a><h6>
-<a name="id824496"></a>
+<a name="id796622"></a>
<a class="link" href="basic_syntax.html#boost_regex.syntax.basic_syntax.negation_">Negation:</a>
</h6>
<p>
@@ -220,7 +220,7 @@
range a-c.
</p>
<a name="boost_regex.syntax.basic_syntax.character_classes_"></a><h6>
-<a name="id824535"></a>
+<a name="id796660"></a>
<a class="link" href="basic_syntax.html#boost_regex.syntax.basic_syntax.character_classes_">Character
classes:</a>
</h6>
@@ -230,7 +230,7 @@
<a class="link" href="character_classes.html" title="Character Class Names">character class names</a>.
</p>
<a name="boost_regex.syntax.basic_syntax.collating_elements_"></a><h6>
-<a name="id824586"></a>
+<a name="id796712"></a>
<a class="link" href="basic_syntax.html#boost_regex.syntax.basic_syntax.collating_elements_">Collating
Elements:</a>
</h6>
@@ -259,7 +259,7 @@
element names</a>.
</p>
<a name="boost_regex.syntax.basic_syntax.equivalence_classes_"></a><h6>
-<a name="id824677"></a>
+<a name="id796803"></a>
<a class="link" href="basic_syntax.html#boost_regex.syntax.basic_syntax.equivalence_classes_">Equivalence
classes:</a>
</h6>
@@ -276,7 +276,7 @@
or even all locales on one platform.
</p>
<a name="boost_regex.syntax.basic_syntax.combinations_"></a><h6>
-<a name="id824735"></a>
+<a name="id796860"></a>
<a class="link" href="basic_syntax.html#boost_regex.syntax.basic_syntax.combinations_">Combinations:</a>
</h6>
<p>
@@ -284,7 +284,7 @@
<code class="computeroutput"><span class="special">[[:</span><span class="identifier">digit</span><span class="special">:]</span><span class="identifier">a</span><span class="special">-</span><span class="identifier">c</span><span class="special">[.</span><span class="identifier">NUL</span><span class="special">.]].</span></code>
</p>
<a name="boost_regex.syntax.basic_syntax.escapes"></a><h5>
-<a name="id824788"></a>
+<a name="id796913"></a>
<a class="link" href="basic_syntax.html#boost_regex.syntax.basic_syntax.escapes">Escapes</a>
</h5>
<p>
@@ -299,7 +299,7 @@
will match either a literal '\' or a '^'.
</p>
<a name="boost_regex.syntax.basic_syntax.what_gets_matched"></a><h4>
-<a name="id824821"></a>
+<a name="id796947"></a>
<a class="link" href="basic_syntax.html#boost_regex.syntax.basic_syntax.what_gets_matched">What Gets
Matched</a>
</h4>
@@ -309,13 +309,13 @@
rule</a>.
</p>
<a name="boost_regex.syntax.basic_syntax.variations"></a><h4>
-<a name="id824843"></a>
+<a name="id796968"></a>
<a class="link" href="basic_syntax.html#boost_regex.syntax.basic_syntax.variations">Variations</a>
</h4>
<a name="boost_regex.grep_syntax"></a><p>
</p>
<a name="boost_regex.syntax.basic_syntax.grep"></a><h5>
-<a name="id824863"></a>
+<a name="id796989"></a>
<a class="link" href="basic_syntax.html#boost_regex.syntax.basic_syntax.grep">Grep</a>
</h5>
<p>
@@ -333,7 +333,7 @@
As its name suggests, this behavior is consistent with the Unix utility grep.
</p>
<a name="boost_regex.syntax.basic_syntax.emacs"></a><h5>
-<a name="id824958"></a>
+<a name="id797084"></a>
<a class="link" href="basic_syntax.html#boost_regex.syntax.basic_syntax.emacs">emacs</a>
</h5>
<p>
@@ -613,7 +613,7 @@
leftmost-longest rule</a>.
</p>
<a name="boost_regex.syntax.basic_syntax.options"></a><h4>
-<a name="id825376"></a>
+<a name="id797501"></a>
<a class="link" href="basic_syntax.html#boost_regex.syntax.basic_syntax.options">Options</a>
</h4>
<p>
@@ -627,7 +627,7 @@
options</a> modify how the case and locale sensitivity are to be applied.
</p>
<a name="boost_regex.syntax.basic_syntax.references"></a><h4>
-<a name="id826942"></a>
+<a name="id797608"></a>
<a class="link" href="basic_syntax.html#boost_regex.syntax.basic_syntax.references">References</a>
</h4>
<p>
Modified: trunk/libs/regex/doc/html/boost_regex/syntax/perl_syntax.html
==============================================================================
--- trunk/libs/regex/doc/html/boost_regex/syntax/perl_syntax.html (original)
+++ trunk/libs/regex/doc/html/boost_regex/syntax/perl_syntax.html 2009-04-25 13:32:49 EDT (Sat, 25 Apr 2009)
@@ -28,15 +28,13 @@
Syntax</a>
</h3></div></div></div>
<a name="boost_regex.syntax.perl_syntax.synopsis"></a><h4>
-<a name="id812854"></a>
+<a name="id786230"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.synopsis">Synopsis</a>
</h4>
<p>
The Perl regular expression syntax is based on that used by the programming
language Perl . Perl regular expressions are the default behavior in Boost.Regex
- or you can pass the flag <code class="computeroutput"><span class="identifier">perl</span></code>
- to the <a class="link" href="../ref/basic_regex.html" title="basic_regex"><code class="computeroutput"><span class="identifier">basic_regex</span></code></a>
- constructor, for example:
+ or you can pass the flag <code class="literal">perl</code> to the <a class="link" href="../ref/basic_regex.html" title="basic_regex"><code class="computeroutput"><span class="identifier">basic_regex</span></code></a> constructor, for example:
</p>
<pre class="programlisting"><span class="comment">// e1 is a case sensitive Perl regular expression:
</span><span class="comment">// since Perl is the default option there's no need to explicitly specify the syntax used here:
@@ -45,7 +43,7 @@
</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">regex</span> <span class="identifier">e2</span><span class="special">(</span><span class="identifier">my_expression</span><span class="special">,</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">regex</span><span class="special">::</span><span class="identifier">perl</span><span class="special">|</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">regex</span><span class="special">::</span><span class="identifier">icase</span><span class="special">);</span>
</pre>
<a name="boost_regex.syntax.perl_syntax.perl_regular_expression_syntax"></a><h4>
-<a name="id813004"></a>
+<a name="id786378"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.perl_regular_expression_syntax">Perl
Regular Expression Syntax</a>
</h4>
@@ -55,7 +53,7 @@
</p>
<pre class="programlisting">.[{()\*+?|^$</pre>
<a name="boost_regex.syntax.perl_syntax.wildcard"></a><h5>
-<a name="id813028"></a>
+<a name="id786402"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.wildcard">Wildcard</a>
</h5>
<p>
@@ -65,17 +63,17 @@
<div class="itemizedlist"><ul type="disc">
<li>
The NULL character when the <a class="link" href="../ref/match_flag_type.html" title="match_flag_type">flag
- <code class="computeroutput"><span class="identifier">match_not_dot_null</span></code></a>
- is passed to the matching algorithms.
+ <code class="literal">match_not_dot_null</code></a> is passed to the matching
+ algorithms.
</li>
<li>
The newline character when the <a class="link" href="../ref/match_flag_type.html" title="match_flag_type">flag
- <code class="computeroutput"><span class="identifier">match_not_dot_newline</span></code></a>
- is passed to the matching algorithms.
+ <code class="literal">match_not_dot_newline</code></a> is passed to the matching
+ algorithms.
</li>
</ul></div>
<a name="boost_regex.syntax.perl_syntax.anchors"></a><h5>
-<a name="id813079"></a>
+<a name="id786448"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.anchors">Anchors</a>
</h5>
<p>
@@ -85,19 +83,18 @@
A '$' character shall match the end of a line.
</p>
<a name="boost_regex.syntax.perl_syntax.marked_sub_expressions"></a><h5>
-<a name="id813101"></a>
+<a name="id786470"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.marked_sub_expressions">Marked
sub-expressions</a>
</h5>
<p>
- A section beginning <code class="computeroutput"><span class="special">(</span></code> and ending
- <code class="computeroutput"><span class="special">)</span></code> acts as a marked sub-expression.
- Whatever matched the sub-expression is split out in a separate field by the
- matching algorithms. Marked sub-expressions can also repeated, or referred
- to by a back-reference.
+ A section beginning <code class="literal">(</code> and ending <code class="literal">)</code>
+ acts as a marked sub-expression. Whatever matched the sub-expression is split
+ out in a separate field by the matching algorithms. Marked sub-expressions
+ can also repeated, or referred to by a back-reference.
</p>
<a name="boost_regex.syntax.perl_syntax.non_marking_grouping"></a><h5>
-<a name="id813132"></a>
+<a name="id786496"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.non_marking_grouping">Non-marking
grouping</a>
</h5>
@@ -105,34 +102,32 @@
A marked sub-expression is useful to lexically group part of a regular expression,
but has the side-effect of spitting out an extra field in the result. As
an alternative you can lexically group part of a regular expression, without
- generating a marked sub-expression by using <code class="computeroutput"><span class="special">(?:</span></code>
- and <code class="computeroutput"><span class="special">)</span></code> , for example <code class="computeroutput"><span class="special">(?:</span><span class="identifier">ab</span><span class="special">)+</span></code>
- will repeat <code class="computeroutput"><span class="identifier">ab</span></code> without splitting
- out any separate sub-expressions.
+ generating a marked sub-expression by using <code class="literal">(?:</code> and <code class="literal">)</code>
+ , for example <code class="literal">(?:ab)+</code> will repeat <code class="literal">ab</code>
+ without splitting out any separate sub-expressions.
</p>
<a name="boost_regex.syntax.perl_syntax.repeats"></a><h5>
-<a name="id813185"></a>
+<a name="id786532"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.repeats">Repeats</a>
</h5>
<p>
Any atom (a single character, a marked sub-expression, or a character class)
- can be repeated with the <code class="computeroutput"><span class="special">*</span></code>,
- <code class="computeroutput"><span class="special">+</span></code>, <code class="computeroutput"><span class="special">?</span></code>,
- and <code class="computeroutput"><span class="special">{}</span></code> operators.
+ can be repeated with the <code class="literal">*</code>, <code class="literal">+</code>, <code class="literal">?</code>,
+ and <code class="literal">{}</code> operators.
</p>
<p>
- The <code class="computeroutput"><span class="special">*</span></code> operator will match the
- preceding atom zero or more times, for example the expression <code class="computeroutput"><span class="identifier">a</span><span class="special">*</span><span class="identifier">b</span></code>
- will match any of the following:
+ The <code class="literal">*</code> operator will match the preceding atom zero or more
+ times, for example the expression <code class="literal">a*b</code> will match any of
+ the following:
</p>
<pre class="programlisting"><span class="identifier">b</span>
<span class="identifier">ab</span>
<span class="identifier">aaaaaaaab</span>
</pre>
<p>
- The <code class="computeroutput"><span class="special">+</span></code> operator will match the
- preceding atom one or more times, for example the expression <code class="computeroutput"><span class="identifier">a</span><span class="special">+</span><span class="identifier">b</span></code>
- will match any of the following:
+ The <code class="literal">+</code> operator will match the preceding atom one or more
+ times, for example the expression <code class="literal">a+b</code> will match any of
+ the following:
</p>
<pre class="programlisting"><span class="identifier">ab</span>
<span class="identifier">aaaaaaaab</span>
@@ -143,9 +138,8 @@
<pre class="programlisting"><span class="identifier">b</span>
</pre>
<p>
- The <code class="computeroutput"><span class="special">?</span></code> operator will match the
- preceding atom zero or one times, for example the expression ca?b will match
- any of the following:
+ The <code class="literal">?</code> operator will match the preceding atom zero or one
+ times, for example the expression ca?b will match any of the following:
</p>
<pre class="programlisting"><span class="identifier">cb</span>
<span class="identifier">cab</span>
@@ -159,16 +153,13 @@
An atom can also be repeated with a bounded repeat:
</p>
<p>
- <code class="computeroutput"><span class="identifier">a</span><span class="special">{</span><span class="identifier">n</span><span class="special">}</span></code> Matches
- 'a' repeated exactly n times.
+ <code class="literal">a{n}</code> Matches 'a' repeated exactly n times.
</p>
<p>
- <code class="computeroutput"><span class="identifier">a</span><span class="special">{</span><span class="identifier">n</span><span class="special">,}</span></code> Matches
- 'a' repeated n or more times.
+ <code class="literal">a{n,}</code> Matches 'a' repeated n or more times.
</p>
<p>
- <code class="computeroutput"><span class="identifier">a</span><span class="special">{</span><span class="identifier">n</span><span class="special">,</span> <span class="identifier">m</span><span class="special">}</span></code> Matches 'a' repeated between n and m times
- inclusive.
+ <code class="literal">a{n, m}</code> Matches 'a' repeated between n and m times inclusive.
</p>
<p>
For example:
@@ -193,11 +184,11 @@
<pre class="programlisting"><span class="identifier">a</span><span class="special">(*)</span>
</pre>
<p>
- Will raise an error, as there is nothing for the <code class="computeroutput"><span class="special">*</span></code>
- operator to be applied to.
+ Will raise an error, as there is nothing for the <code class="literal">*</code> operator
+ to be applied to.
</p>
<a name="boost_regex.syntax.perl_syntax.non_greedy_repeats"></a><h5>
-<a name="id813507"></a>
+<a name="id786769"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.non_greedy_repeats">Non greedy
repeats</a>
</h5>
@@ -207,28 +198,27 @@
that will consume as little input as possible while still producing a match.
</p>
<p>
- <code class="computeroutput"><span class="special">*?</span></code> Matches the previous atom
- zero or more times, while consuming as little input as possible.
+ <code class="literal">*?</code> Matches the previous atom zero or more times, while
+ consuming as little input as possible.
</p>
<p>
- <code class="computeroutput"><span class="special">+?</span></code> Matches the previous atom
- one or more times, while consuming as little input as possible.
+ <code class="literal">+?</code> Matches the previous atom one or more times, while
+ consuming as little input as possible.
</p>
<p>
- <code class="computeroutput"><span class="special">??</span></code> Matches the previous atom
- zero or one times, while consuming as little input as possible.
+ <code class="literal">??</code> Matches the previous atom zero or one times, while
+ consuming as little input as possible.
</p>
<p>
- <code class="computeroutput"><span class="special">{</span><span class="identifier">n</span><span class="special">,}?</span></code> Matches the previous atom n or more times,
- while consuming as little input as possible.
+ <code class="literal">{n,}?</code> Matches the previous atom n or more times, while
+ consuming as little input as possible.
</p>
<p>
- <code class="computeroutput"><span class="special">{</span><span class="identifier">n</span><span class="special">,</span><span class="identifier">m</span><span class="special">}?</span></code>
- Matches the previous atom between n and m times, while consuming as little
- input as possible.
+ <code class="literal">{n,m}?</code> Matches the previous atom between n and m times,
+ while consuming as little input as possible.
</p>
<a name="boost_regex.syntax.perl_syntax.pocessive_repeats"></a><h5>
-<a name="id813599"></a>
+<a name="id786828"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.pocessive_repeats">Pocessive
repeats</a>
</h5>
@@ -240,27 +230,27 @@
match.
</p>
<p>
- <code class="computeroutput"><span class="special">*+</span></code> Matches the previous atom
- zero or more times, while giving nothing back.
+ <code class="literal">*+</code> Matches the previous atom zero or more times, while
+ giving nothing back.
</p>
<p>
- <code class="computeroutput"><span class="special">++</span></code> Matches the previous atom
- one or more times, while giving nothing back.
+ <code class="literal">++</code> Matches the previous atom one or more times, while
+ giving nothing back.
</p>
<p>
- <code class="computeroutput"><span class="special">?+</span></code> Matches the previous atom
- zero or one times, while giving nothing back.
+ <code class="literal">?+</code> Matches the previous atom zero or one times, while
+ giving nothing back.
</p>
<p>
- <code class="computeroutput"><span class="special">{</span><span class="identifier">n</span><span class="special">,}+</span></code> Matches the previous atom n or more times,
- while giving nothing back.
+ <code class="literal">{n,}+</code> Matches the previous atom n or more times, while
+ giving nothing back.
</p>
<p>
- <code class="computeroutput"><span class="special">{</span><span class="identifier">n</span><span class="special">,</span><span class="identifier">m</span><span class="special">}+</span></code>
- Matches the previous atom between n and m times, while giving nothing back.
+ <code class="literal">{n,m}+</code> Matches the previous atom between n and m times,
+ while giving nothing back.
</p>
<a name="boost_regex.syntax.perl_syntax.back_references"></a><h5>
-<a name="id813691"></a>
+<a name="id786886"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.back_references">Back references</a>
</h5>
<p>
@@ -279,99 +269,170 @@
</p>
<pre class="programlisting"><span class="identifier">aaabba</span>
</pre>
+<p>
+ You can also use the \g escape for the same function, for example:
+ </p>
+<div class="informaltable"><table class="table">
+<colgroup>
+<col>
+<col>
+</colgroup>
+<thead><tr>
+<th>
+ <p>
+ Escape
+ </p>
+ </th>
+<th>
+ <p>
+ Meaning
+ </p>
+ </th>
+</tr></thead>
+<tbody>
+<tr>
+<td>
+ <p>
+ <code class="literal">\g1</code>
+ </p>
+ </td>
+<td>
+ <p>
+ Match whatever matched sub-expression 1
+ </p>
+ </td>
+</tr>
+<tr>
+<td>
+ <p>
+ <code class="literal">\g{1}</code>
+ </p>
+ </td>
+<td>
+ <p>
+ Match whatever matched sub-expression 1: this form allows for safer
+ parsing of the expression in cases like <code class="literal">\g{1}2</code>
+ or for indexes higher than 9 as in <code class="literal">\g{1234}</code>
+ </p>
+ </td>
+</tr>
+<tr>
+<td>
+ <p>
+ <code class="literal">\g-1</code>
+ </p>
+ </td>
+<td>
+ <p>
+ Match whatever matched the last opened sub-expression
+ </p>
+ </td>
+</tr>
+<tr>
+<td>
+ <p>
+ <code class="literal">\g{-2}</code>
+ </p>
+ </td>
+<td>
+ <p>
+ Match whatever matched the last but one opened sub-expression
+ </p>
+ </td>
+</tr>
+</tbody>
+</table></div>
<a name="boost_regex.syntax.perl_syntax.alternation"></a><h5>
-<a name="id813748"></a>
+<a name="id787076"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.alternation">Alternation</a>
</h5>
<p>
- The <code class="computeroutput"><span class="special">|</span></code> operator will match either
- of its arguments, so for example: <code class="computeroutput"><span class="identifier">abc</span><span class="special">|</span><span class="identifier">def</span></code> will
- match either "abc" or "def".
+ The <code class="literal">|</code> operator will match either of its arguments, so
+ for example: <code class="literal">abc|def</code> will match either "abc"
+ or "def".
</p>
<p>
- Parenthesis can be used to group alternations, for example: <code class="computeroutput"><span class="identifier">ab</span><span class="special">(</span><span class="identifier">d</span><span class="special">|</span><span class="identifier">ef</span><span class="special">)</span></code>
+ Parenthesis can be used to group alternations, for example: <code class="literal">ab(d|ef)</code>
will match either of "abd" or "abef".
</p>
<p>
Empty alternatives are not allowed (these are almost always a mistake), but
- if you really want an empty alternative use <code class="computeroutput"><span class="special">(?:)</span></code>
- as a placeholder, for example:
+ if you really want an empty alternative use <code class="literal">(?:)</code> as a
+ placeholder, for example:
</p>
<p>
- <code class="computeroutput"><span class="special">|</span><span class="identifier">abc</span></code>
- is not a valid expression, but
+ <code class="literal">|abc</code> is not a valid expression, but
</p>
<p>
- <code class="computeroutput"><span class="special">(?:)|</span><span class="identifier">abc</span></code>
- is and is equivalent, also the expression:
+ <code class="literal">(?:)|abc</code> is and is equivalent, also the expression:
</p>
<p>
- <code class="computeroutput"><span class="special">(?:</span><span class="identifier">abc</span><span class="special">)??</span></code> has exactly the same effect.
+ <code class="literal">(?:abc)??</code> has exactly the same effect.
</p>
<a name="boost_regex.syntax.perl_syntax.character_sets"></a><h5>
-<a name="id814216"></a>
+<a name="id787144"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.character_sets">Character sets</a>
</h5>
<p>
- A character set is a bracket-expression starting with <code class="computeroutput"><span class="special">[</span></code>
- and ending with <code class="computeroutput"><span class="special">]</span></code>, it defines
- a set of characters, and matches any single character that is a member of
- that set.
+ A character set is a bracket-expression starting with <code class="literal">[</code>
+ and ending with <code class="literal">]</code>, it defines a set of characters, and
+ matches any single character that is a member of that set.
</p>
<p>
A bracket expression may contain any combination of the following:
</p>
<a name="boost_regex.syntax.perl_syntax.single_characters"></a><h6>
-<a name="id814252"></a>
+<a name="id787176"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.single_characters">Single characters</a>
</h6>
<p>
- For example <code class="computeroutput"><span class="special">[</span><span class="identifier">abc</span><span class="special">]</span></code>, will match any of the characters 'a', 'b',
- or 'c'.
+ For example <code class="literal">[abc]</code>, will match any of the characters 'a',
+ 'b', or 'c'.
</p>
<a name="boost_regex.syntax.perl_syntax.character_ranges"></a><h6>
-<a name="id814283"></a>
+<a name="id787607"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.character_ranges">Character
ranges</a>
</h6>
<p>
- For example <code class="computeroutput"><span class="special">[</span><span class="identifier">a</span><span class="special">-</span><span class="identifier">c</span><span class="special">]</span></code>
- will match any single character in the range 'a' to 'c'. By default, for
- Perl regular expressions, a character x is within the range y to z, if the
- code point of the character lies within the codepoints of the endpoints of
- the range. Alternatively, if you set the <a class="link" href="../ref/syntax_option_type/syntax_option_type_perl.html" title="Options for Perl Regular Expressions"><code class="computeroutput"><span class="identifier">collate</span></code> flag</a> when constructing the
- regular expression, then ranges are locale sensitive.
+ For example <code class="literal">[a-c]</code> will match any single character in the
+ range 'a' to 'c'. By default, for Perl regular expressions, a character x
+ is within the range y to z, if the code point of the character lies within
+ the codepoints of the endpoints of the range. Alternatively, if you set the
+ <a class="link" href="../ref/syntax_option_type/syntax_option_type_perl.html" title="Options for Perl Regular Expressions"><code class="literal">collate</code>
+ flag</a> when constructing the regular expression, then ranges are locale
+ sensitive.
</p>
<a name="boost_regex.syntax.perl_syntax.negation"></a><h6>
-<a name="id814334"></a>
+<a name="id787640"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.negation">Negation</a>
</h6>
<p>
If the bracket-expression begins with the ^ character, then it matches the
- complement of the characters it contains, for example <code class="computeroutput"><span class="special">[^</span><span class="identifier">a</span><span class="special">-</span><span class="identifier">c</span><span class="special">]</span></code> matches any character that is not in the
- range <code class="computeroutput"><span class="identifier">a</span><span class="special">-</span><span class="identifier">c</span></code>.
+ complement of the characters it contains, for example <code class="literal">[^a-c]</code>
+ matches any character that is not in the range <code class="literal">a-c</code>.
</p>
<a name="boost_regex.syntax.perl_syntax.character_classes"></a><h6>
-<a name="id814388"></a>
+<a name="id787667"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.character_classes">Character
classes</a>
</h6>
<p>
- An expression of the form <code class="computeroutput"><span class="special">[[:</span><span class="identifier">name</span><span class="special">:]]</span></code>
- matches the named character class "name", for example <code class="computeroutput"><span class="special">[[:</span><span class="identifier">lower</span><span class="special">:]]</span></code> matches any lower case character. See
- <a class="link" href="character_classes.html" title="Character Class Names">character class names</a>.
+ An expression of the form <code class="literal">[[:name:]]</code> matches the named
+ character class "name", for example <code class="literal">[[:lower:]]</code>
+ matches any lower case character. See <a class="link" href="character_classes.html" title="Character Class Names">character
+ class names</a>.
</p>
<a name="boost_regex.syntax.perl_syntax.collating_elements"></a><h6>
-<a name="id814440"></a>
+<a name="id787700"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.collating_elements">Collating
Elements</a>
</h6>
<p>
- An expression of the form <code class="computeroutput"><span class="special">[[.</span><span class="identifier">col</span><span class="special">.]</span></code> matches
- the collating element <span class="emphasis"><em>col</em></span>. A collating element is any
- single character, or any sequence of characters that collates as a single
- unit. Collating elements may also be used as the end point of a range, for
- example: <code class="computeroutput"><span class="special">[[.</span><span class="identifier">ae</span><span class="special">.]-</span><span class="identifier">c</span><span class="special">]</span></code>
+ An expression of the form <code class="literal">[[.col.]]</code> matches the collating
+ element <span class="emphasis"><em>col</em></span>. A collating element is any single character,
+ or any sequence of characters that collates as a single unit. Collating elements
+ may also be used as the end point of a range, for example: <code class="literal">[[.ae.]-c]</code>
matches the character sequence "ae", plus any single character
in the range "ae"-c, assuming that "ae" is treated as
a single collating element in the current locale.
@@ -382,28 +443,27 @@
<pre class="programlisting"><span class="special">[[.</span><span class="identifier">NUL</span><span class="special">.]]</span>
</pre>
<p>
- matches a <code class="computeroutput"><span class="special">\</span><span class="number">0</span></code>
- character.
+ matches a <code class="literal">\0</code> character.
</p>
<a name="boost_regex.syntax.perl_syntax.equivalence_classes"></a><h6>
-<a name="id814535"></a>
+<a name="id787762"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.equivalence_classes">Equivalence
classes</a>
</h6>
<p>
- An expression of the form <code class="computeroutput"><span class="special">[[=</span><span class="identifier">col</span><span class="special">=]]</span></code>,
- matches any character or collating element whose primary sort key is the
- same as that for collating element <span class="emphasis"><em>col</em></span>, as with collating
- elements the name <span class="emphasis"><em>col</em></span> may be a <a class="link" href="collating_names.html" title="Collating Names">symbolic
- name</a>. A primary sort key is one that ignores case, accentation, or
- locale-specific tailorings; so for example <code class="computeroutput"><span class="special">[[=</span><span class="identifier">a</span><span class="special">=]]</span></code> matches
+ An expression of the form <code class="literal">[[=col=]]</code>, matches any character
+ or collating element whose primary sort key is the same as that for collating
+ element <span class="emphasis"><em>col</em></span>, as with collating elements the name <span class="emphasis"><em>col</em></span>
+ may be a <a class="link" href="collating_names.html" title="Collating Names">symbolic name</a>.
+ A primary sort key is one that ignores case, accentation, or locale-specific
+ tailorings; so for example <code class="computeroutput"><span class="special">[[=</span><span class="identifier">a</span><span class="special">=]]</span></code> matches
any of the characters: a, À, Á, Â, Ã, Ä, Å, A, à, á, â, ã, ä and å. Unfortunately implementation
of this is reliant on the platform's collation and localisation support;
this feature can not be relied upon to work portably across all platforms,
or even all locales on one platform.
</p>
<a name="boost_regex.syntax.perl_syntax.escaped_characters"></a><h6>
-<a name="id814592"></a>
+<a name="id787810"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.escaped_characters">Escaped
Characters</a>
</h6>
@@ -415,15 +475,15 @@
is <span class="emphasis"><em>not</em></span> a "word" character.
</p>
<a name="boost_regex.syntax.perl_syntax.combinations"></a><h6>
-<a name="id814661"></a>
+<a name="id787879"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.combinations">Combinations</a>
</h6>
<p>
All of the above can be combined in one character set declaration, for example:
- <code class="computeroutput"><span class="special">[[:</span><span class="identifier">digit</span><span class="special">:]</span><span class="identifier">a</span><span class="special">-</span><span class="identifier">c</span><span class="special">[.</span><span class="identifier">NUL</span><span class="special">.]]</span></code>.
+ <code class="literal">[[:digit:]a-c[.NUL.]]</code>.
</p>
<a name="boost_regex.syntax.perl_syntax.escapes"></a><h5>
-<a name="id814714"></a>
+<a name="id787900"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.escapes">Escapes</a>
</h5>
<p>
@@ -453,105 +513,103 @@
<tr>
<td>
<p>
- <code class="computeroutput"><span class="special">\</span><span class="identifier">a</span></code>
+ <code class="literal">\a</code>
</p>
</td>
<td>
<p>
- <code class="computeroutput"><span class="special">\</span><span class="identifier">a</span></code>
+ <code class="literal">\a</code>
</p>
</td>
</tr>
<tr>
<td>
<p>
- <code class="computeroutput"><span class="special">\</span><span class="identifier">e</span></code>
+ <code class="literal">\e</code>
</p>
</td>
<td>
<p>
- <code class="computeroutput"><span class="number">0x1B</span></code>
+ <code class="literal">0x1B</code>
</p>
</td>
</tr>
<tr>
<td>
<p>
- <code class="computeroutput"><span class="special">\</span><span class="identifier">f</span></code>
+ <code class="literal">\f</code>
</p>
</td>
<td>
<p>
- <code class="computeroutput"><span class="special">\</span><span class="identifier">f</span></code>
+ <code class="literal">\f</code>
</p>
</td>
</tr>
<tr>
<td>
<p>
- <code class="computeroutput"><span class="special">\</span><span class="identifier">n</span></code>
+ <code class="literal">\n</code>
</p>
</td>
<td>
<p>
- <code class="computeroutput"><span class="special">\</span><span class="identifier">n</span></code>
+ <code class="literal">\n</code>
</p>
</td>
</tr>
<tr>
<td>
<p>
- <code class="computeroutput"><span class="special">\</span><span class="identifier">r</span></code>
+ <code class="literal">\r</code>
</p>
</td>
<td>
<p>
- <code class="computeroutput"><span class="special">\</span><span class="identifier">r</span></code>
+ <code class="literal">\r</code>
</p>
</td>
</tr>
<tr>
<td>
<p>
- <code class="computeroutput"><span class="special">\</span><span class="identifier">t</span></code>
+ <code class="literal">\t</code>
</p>
</td>
<td>
<p>
- <code class="computeroutput"><span class="special">\</span><span class="identifier">t</span></code>
+ <code class="literal">\t</code>
</p>
</td>
</tr>
<tr>
<td>
<p>
- <code class="computeroutput"><span class="special">\</span><span class="identifier">v</span>
- </code>
+ <code class="literal">\v</code>
</p>
</td>
<td>
<p>
- <code class="computeroutput"><span class="special">\</span><span class="identifier">v</span></code>
+ <code class="literal">\v</code>
</p>
</td>
</tr>
<tr>
<td>
<p>
- <code class="computeroutput"><span class="special">\</span><span class="identifier">b</span></code>
+ <code class="literal">\b</code>
</p>
</td>
<td>
<p>
- <code class="computeroutput"><span class="special">\</span><span class="identifier">b</span></code>
- (but only inside a character class declaration).
+ <code class="literal">\b</code> (but only inside a character class declaration).
</p>
</td>
</tr>
<tr>
<td>
<p>
- <code class="computeroutput"><span class="special">\</span><span class="identifier">cX</span></code>
+ <code class="literal">\cX</code>
</p>
</td>
<td>
@@ -564,7 +622,7 @@
<tr>
<td>
<p>
- <code class="computeroutput"><span class="special">\</span><span class="identifier">xdd</span></code>
+ <code class="literal">\xdd</code>
</p>
</td>
<td>
@@ -577,7 +635,7 @@
<tr>
<td>
<p>
- <code class="computeroutput"><span class="special">\</span><span class="identifier">x</span><span class="special">{</span><span class="identifier">dddd</span><span class="special">}</span></code>
+ <code class="literal">\x{dddd}</code>
</p>
</td>
<td>
@@ -590,7 +648,7 @@
<tr>
<td>
<p>
- <code class="computeroutput"><span class="special">\</span><span class="number">0ddd</span></code>
+ <code class="literal">\0ddd</code>
</p>
</td>
<td>
@@ -603,20 +661,21 @@
<tr>
<td>
<p>
- <code class="computeroutput"><span class="special">\</span><span class="identifier">N</span><span class="special">{</span><span class="identifier">name</span><span class="special">}</span></code>
+ <code class="literal">\N{name}</code>
</p>
</td>
<td>
<p>
Matches the single character which has the <a class="link" href="collating_names.html" title="Collating Names">symbolic
- name</a> <span class="emphasis"><em>name</em></span>. For example <code class="computeroutput"><span class="special">\</span><span class="identifier">N</span><span class="special">{</span><span class="identifier">newline</span><span class="special">}</span></code> matches the single character \n.
+ name</a> <span class="emphasis"><em>name</em></span>. For example <code class="literal">\N{newline}</code>
+ matches the single character \n.
</p>
</td>
</tr>
</tbody>
</table></div>
<a name="boost_regex.syntax.perl_syntax._quot_single_character_quot__character_classes_"></a><h6>
-<a name="id815263"></a>
+<a name="id788288"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax._quot_single_character_quot__character_classes_">"Single
character" character classes:</a>
</h6>
@@ -818,7 +877,7 @@
</tbody>
</table></div>
<a name="boost_regex.syntax.perl_syntax.character_properties"></a><h6>
-<a name="id815863"></a>
+<a name="id788888"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.character_properties">Character
Properties</a>
</h6>
@@ -922,33 +981,30 @@
</tbody>
</table></div>
<p>
- For example <code class="computeroutput"><span class="special">\</span><span class="identifier">pd</span></code>
- matches any "digit" character, as does <code class="computeroutput"><span class="special">\</span><span class="identifier">p</span><span class="special">{</span><span class="identifier">digit</span><span class="special">}</span></code>.
+ For example <code class="literal">\pd</code> matches any "digit" character,
+ as does <code class="literal">\p{digit}</code>.
</p>
<a name="boost_regex.syntax.perl_syntax.word_boundaries"></a><h6>
-<a name="id816175"></a>
+<a name="id789177"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.word_boundaries">Word Boundaries</a>
</h6>
<p>
The following escape sequences match the boundaries of words:
</p>
<p>
- <code class="computeroutput"><span class="special">\<</span></code> Matches the start of a
- word.
+ <code class="literal">\<</code> Matches the start of a word.
</p>
<p>
- <code class="computeroutput"><span class="special">\></span></code> Matches the end of a word.
+ <code class="literal">\></code> Matches the end of a word.
</p>
<p>
- <code class="computeroutput"><span class="special">\</span><span class="identifier">b</span></code>
- Matches a word boundary (the start or end of a word).
+ <code class="literal">\b</code> Matches a word boundary (the start or end of a word).
</p>
<p>
- <code class="computeroutput"><span class="special">\</span><span class="identifier">B</span></code>
- Matches only when not at a word boundary.
+ <code class="literal">\B</code> Matches only when not at a word boundary.
</p>
<a name="boost_regex.syntax.perl_syntax.buffer_boundaries"></a><h6>
-<a name="id816244"></a>
+<a name="id789229"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.buffer_boundaries">Buffer boundaries</a>
</h6>
<p>
@@ -970,46 +1026,69 @@
</p>
<p>
\Z Matches an optional sequence of newlines at the end of a buffer: equivalent
- to the regular expression <code class="computeroutput"><span class="special">\</span><span class="identifier">n</span><span class="special">*\</span><span class="identifier">z</span></code>
+ to the regular expression <code class="literal">\n*\z</code>
</p>
<a name="boost_regex.syntax.perl_syntax.continuation_escape"></a><h6>
-<a name="id816298"></a>
+<a name="id789269"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.continuation_escape">Continuation
Escape</a>
</h6>
<p>
- The sequence <code class="computeroutput"><span class="special">\</span><span class="identifier">G</span></code>
- matches only at the end of the last match found, or at the start of the text
- being matched if no previous match was found. This escape useful if you're
- iterating over the matches contained within a text, and you want each subsequence
- match to start where the last one ended.
+ The sequence <code class="literal">\G</code> matches only at the end of the last match
+ found, or at the start of the text being matched if no previous match was
+ found. This escape useful if you're iterating over the matches contained
+ within a text, and you want each subsequence match to start where the last
+ one ended.
</p>
<a name="boost_regex.syntax.perl_syntax.quoting_escape"></a><h6>
-<a name="id816325"></a>
+<a name="id789291"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.quoting_escape">Quoting escape</a>
</h6>
<p>
- The escape sequence <code class="computeroutput"><span class="special">\</span><span class="identifier">Q</span></code>
- begins a "quoted sequence": all the subsequent characters are treated
- as literals, until either the end of the regular expression or \E is found.
- For example the expression: <code class="computeroutput"><span class="special">\</span><span class="identifier">Q</span><span class="special">\*+\</span><span class="identifier">Ea</span><span class="special">+</span></code> would match either of:
+ The escape sequence <code class="literal">\Q</code> begins a "quoted sequence":
+ all the subsequent characters are treated as literals, until either the end
+ of the regular expression or \E is found. For example the expression: <code class="literal">\Q\*+\Ea+</code>
+ would match either of:
</p>
<pre class="programlisting"><span class="special">\*+</span><span class="identifier">a</span>
<span class="special">\*+</span><span class="identifier">aaa</span>
</pre>
<a name="boost_regex.syntax.perl_syntax.unicode_escapes"></a><h6>
-<a name="id817829"></a>
+<a name="id789338"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.unicode_escapes">Unicode escapes</a>
</h6>
<p>
- <code class="computeroutput"><span class="special">\</span><span class="identifier">C</span></code>
- Matches a single code point: in Boost regex this has exactly the same effect
- as a "." operator. <code class="computeroutput"><span class="special">\</span><span class="identifier">X</span></code> Matches a combining character sequence:
- that is any non-combining character followed by a sequence of zero or more
- combining characters.
+ <code class="literal">\C</code> Matches a single code point: in Boost regex this has
+ exactly the same effect as a "." operator. <code class="literal">\X</code>
+ Matches a combining character sequence: that is any non-combining character
+ followed by a sequence of zero or more combining characters.
+ </p>
+<a name="boost_regex.syntax.perl_syntax.matching_line_endings"></a><h6>
+<a name="id789364"></a>
+ <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.matching_line_endings">Matching
+ Line Endings</a>
+ </h6>
+<p>
+ The escape sequence <code class="literal">\R</code> matches any line ending character
+ sequence, specifically it is identical to the expression <code class="literal">(?>\x0D\x0A?|[\x0A-\x0C\x85\x{2028}\x{2029}])</code>.
+ </p>
+<a name="boost_regex.syntax.perl_syntax.keeping_back_some_text"></a><h6>
+<a name="id789391"></a>
+ <a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.keeping_back_some_text">Keeping
+ back some text</a>
+ </h6>
+<p>
+ <code class="literal">\K</code> Resets the start location of $0 to the current text
+ position: in other words everything to the left of \K is "kept back"
+ and does not form part of the regular expression match. $` is updated accordingly.
+ </p>
+<p>
+ For example <code class="literal">foo\Kbar</code> matched against the text "foobar"
+ would return the match "bar" for $0 and "foo" for $`.
+ This can be used to simulate variable width lookbehind assertions.
</p>
<a name="boost_regex.syntax.perl_syntax.any_other_escape"></a><h6>
-<a name="id817867"></a>
+<a name="id789421"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.any_other_escape">Any other
escape</a>
</h6>
@@ -1018,57 +1097,54 @@
\@ matches a literal '@'.
</p>
<a name="boost_regex.syntax.perl_syntax.perl_extended_patterns"></a><h5>
-<a name="id817884"></a>
+<a name="id789437"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.perl_extended_patterns">Perl
Extended Patterns</a>
</h5>
<p>
Perl-specific extensions to the regular expression syntax all start with
- <code class="computeroutput"><span class="special">(?</span></code>.
+ <code class="literal">(?</code>.
</p>
<a name="boost_regex.syntax.perl_syntax.comments"></a><h6>
-<a name="id817908"></a>
+<a name="id789459"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.comments">Comments</a>
</h6>
<p>
- <code class="computeroutput"><span class="special">(?</span># <span class="special">...</span>
- <span class="special">)</span></code> is treated as a comment, it's contents
- are ignored.
+ <code class="literal">(?# ... )</code> is treated as a comment, it's contents are ignored.
</p>
<a name="boost_regex.syntax.perl_syntax.modifiers"></a><h6>
-<a name="id817942"></a>
+<a name="id789482"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.modifiers">Modifiers</a>
</h6>
<p>
- <code class="computeroutput"><span class="special">(?</span><span class="identifier">imsx</span><span class="special">-</span><span class="identifier">imsx</span> <span class="special">...</span> <span class="special">)</span></code> alters
- which of the perl modifiers are in effect within the pattern, changes take
- effect from the point that the block is first seen and extend to any enclosing
- <code class="computeroutput"><span class="special">)</span></code>. Letters before a '-' turn
- that perl modifier on, letters afterward, turn it off.
+ <code class="literal">(?imsx-imsx ... )</code> alters which of the perl modifiers are
+ in effect within the pattern, changes take effect from the point that the
+ block is first seen and extend to any enclosing <code class="literal">)</code>. Letters
+ before a '-' turn that perl modifier on, letters afterward, turn it off.
</p>
<p>
- <code class="computeroutput"><span class="special">(?</span><span class="identifier">imsx</span><span class="special">-</span><span class="identifier">imsx</span><span class="special">:</span><span class="identifier">pattern</span><span class="special">)</span></code>
- applies the specified modifiers to pattern only.
+ <code class="literal">(?imsx-imsx:pattern)</code> applies the specified modifiers to
+ pattern only.
</p>
<a name="boost_regex.syntax.perl_syntax.non_marking_groups"></a><h6>
-<a name="id818026"></a>
+<a name="id789517"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.non_marking_groups">Non-marking
groups</a>
</h6>
<p>
- <code class="computeroutput"><span class="special">(?:</span><span class="identifier">pattern</span><span class="special">)</span></code> lexically groups pattern, without generating
+ <code class="literal">(?:pattern)</code> lexically groups pattern, without generating
an additional sub-expression.
</p>
<a name="boost_regex.syntax.perl_syntax.lookahead"></a><h6>
-<a name="id818057"></a>
+<a name="id789538"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.lookahead">Lookahead</a>
</h6>
<p>
- <code class="computeroutput"><span class="special">(?=</span><span class="identifier">pattern</span><span class="special">)</span></code> consumes zero characters, only if pattern
+ <code class="literal">(?=pattern)</code> consumes zero characters, only if pattern
matches.
</p>
<p>
- <code class="computeroutput"><span class="special">(?!</span><span class="identifier">pattern</span><span class="special">)</span></code> consumes zero characters, only if pattern
+ <code class="literal">(?!pattern)</code> consumes zero characters, only if pattern
does not match.
</p>
<p>
@@ -1083,26 +1159,26 @@
could be used to validate the password.
</p>
<a name="boost_regex.syntax.perl_syntax.lookbehind"></a><h6>
-<a name="id818151"></a>
+<a name="id789613"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.lookbehind">Lookbehind</a>
</h6>
<p>
- <code class="computeroutput"><span class="special">(?<=</span><span class="identifier">pattern</span><span class="special">)</span></code> consumes zero characters, only if pattern
+ <code class="literal">(?<=pattern)</code> consumes zero characters, only if pattern
could be matched against the characters preceding the current position (pattern
must be of fixed length).
</p>
<p>
- <code class="computeroutput"><span class="special">(?<!</span><span class="identifier">pattern</span><span class="special">)</span></code> consumes zero characters, only if pattern
+ <code class="literal">(?<!pattern)</code> consumes zero characters, only if pattern
could not be matched against the characters preceding the current position
(pattern must be of fixed length).
</p>
<a name="boost_regex.syntax.perl_syntax.independent_sub_expressions"></a><h6>
-<a name="id818202"></a>
+<a name="id789645"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.independent_sub_expressions">Independent
sub-expressions</a>
</h6>
<p>
- <code class="computeroutput"><span class="special">(?></span><span class="identifier">pattern</span><span class="special">)</span></code> <span class="emphasis"><em>pattern</em></span> is matched
+ <code class="literal">(?>pattern)</code> <span class="emphasis"><em>pattern</em></span> is matched
independently of the surrounding patterns, the expression will never backtrack
into <span class="emphasis"><em>pattern</em></span>. Independent sub-expressions are typically
used to improve performance; only the best possible match for pattern will
@@ -1110,19 +1186,18 @@
no match is found at all.
</p>
<a name="boost_regex.syntax.perl_syntax.conditional_expressions"></a><h6>
-<a name="id818243"></a>
+<a name="id789676"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.conditional_expressions">Conditional
Expressions</a>
</h6>
<p>
- <code class="computeroutput"><span class="special">(?(</span><span class="identifier">condition</span><span class="special">)</span><span class="identifier">yes</span><span class="special">-</span><span class="identifier">pattern</span><span class="special">|</span><span class="identifier">no</span><span class="special">-</span><span class="identifier">pattern</span><span class="special">)</span></code> attempts to match <span class="emphasis"><em>yes-pattern</em></span>
- if the <span class="emphasis"><em>condition</em></span> is true, otherwise attempts to match
- <span class="emphasis"><em>no-pattern</em></span>.
+ <code class="literal">(?(condition)yes-pattern|no-pattern)</code> attempts to match
+ <span class="emphasis"><em>yes-pattern</em></span> if the <span class="emphasis"><em>condition</em></span> is
+ true, otherwise attempts to match <span class="emphasis"><em>no-pattern</em></span>.
</p>
<p>
- <code class="computeroutput"><span class="special">(?(</span><span class="identifier">condition</span><span class="special">)</span><span class="identifier">yes</span><span class="special">-</span><span class="identifier">pattern</span><span class="special">)</span></code>
- attempts to match <span class="emphasis"><em>yes-pattern</em></span> if the <span class="emphasis"><em>condition</em></span>
- is true, otherwise fails.
+ <code class="literal">(?(condition)yes-pattern)</code> attempts to match <span class="emphasis"><em>yes-pattern</em></span>
+ if the <span class="emphasis"><em>condition</em></span> is true, otherwise fails.
</p>
<p>
<span class="emphasis"><em>condition</em></span> may be either a forward lookahead assert,
@@ -1130,7 +1205,7 @@
sub-expression has been matched).
</p>
<a name="boost_regex.syntax.perl_syntax.operator_precedence"></a><h5>
-<a name="id818361"></a>
+<a name="id789731"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.operator_precedence">Operator
precedence</a>
</h5>
@@ -1143,17 +1218,16 @@
<span class="special">[::]</span> <span class="special">[..]</span></code>
</li>
<li>
- Escaped characters <code class="computeroutput"><span class="special">\</span></code>
+ Escaped characters <code class="literal">\</code>
</li>
<li>
Character set (bracket expression) <code class="computeroutput"><span class="special">[]</span></code>
</li>
<li>
- Grouping <code class="computeroutput"><span class="special">()</span></code>
+ Grouping <code class="literal">()</code>
</li>
<li>
- Single-character-ERE duplication <code class="computeroutput"><span class="special">*</span>
- <span class="special">+</span> <span class="special">?</span> <span class="special">{</span><span class="identifier">m</span><span class="special">,</span><span class="identifier">n</span><span class="special">}</span></code>
+ Single-character-ERE duplication <code class="literal">* + ? {m,n}</code>
</li>
<li>
Concatenation
@@ -1166,7 +1240,7 @@
</li>
</ol></div>
<a name="boost_regex.syntax.perl_syntax.what_gets_matched"></a><h4>
-<a name="id818487"></a>
+<a name="id791324"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.what_gets_matched">What gets
matched</a>
</h4>
@@ -1203,7 +1277,7 @@
<tr>
<td>
<p>
- <code class="computeroutput"><span class="identifier">AtomA</span> <span class="identifier">AtomB</span></code>
+ <code class="literal">AtomA AtomB</code>
</p>
</td>
<td>
@@ -1216,8 +1290,7 @@
<tr>
<td>
<p>
- <code class="computeroutput"><span class="identifier">Expression1</span> <span class="special">|</span>
- <span class="identifier">Expression2</span></code>
+ <code class="literal">Expression1 | Expression2</code>
</p>
</td>
<td>
@@ -1230,7 +1303,7 @@
<tr>
<td>
<p>
- <code class="computeroutput"><span class="identifier">S</span><span class="special">{</span><span class="identifier">N</span><span class="special">}</span></code>
+ <code class="literal">S{N}</code>
</p>
</td>
<td>
@@ -1242,7 +1315,7 @@
<tr>
<td>
<p>
- <code class="computeroutput"><span class="identifier">S</span><span class="special">{</span><span class="identifier">N</span><span class="special">,</span><span class="identifier">M</span><span class="special">}</span></code>
+ <code class="literal">S{N,M}</code>
</p>
</td>
<td>
@@ -1254,7 +1327,7 @@
<tr>
<td>
<p>
- <code class="computeroutput"><span class="identifier">S</span><span class="special">{</span><span class="identifier">N</span><span class="special">,</span><span class="identifier">M</span><span class="special">}?</span></code>
+ <code class="literal">S{N,M}?</code>
</p>
</td>
<td>
@@ -1266,41 +1339,33 @@
<tr>
<td>
<p>
- <code class="computeroutput"><span class="identifier">S</span><span class="special">?,</span>
- <span class="identifier">S</span><span class="special">*,</span>
- <span class="identifier">S</span><span class="special">+</span></code>
+ <code class="literal">S?, S*, S+</code>
</p>
</td>
<td>
<p>
- The same as <code class="computeroutput"><span class="identifier">S</span><span class="special">{</span><span class="number">0</span><span class="special">,</span><span class="number">1</span><span class="special">}</span></code>,
- <code class="computeroutput"><span class="identifier">S</span><span class="special">{</span><span class="number">0</span><span class="special">,</span><span class="identifier">UINT_MAX</span><span class="special">}</span></code>,
- <code class="computeroutput"><span class="identifier">S</span><span class="special">{</span><span class="number">1</span><span class="special">,</span><span class="identifier">UINT_MAX</span><span class="special">}</span></code>
- respectively.
+ The same as <code class="literal">S{0,1}</code>, <code class="literal">S{0,UINT_MAX}</code>,
+ <code class="literal">S{1,UINT_MAX}</code> respectively.
</p>
</td>
</tr>
<tr>
<td>
<p>
- <code class="computeroutput"><span class="identifier">S</span><span class="special">??,</span>
- <span class="identifier">S</span><span class="special">*?,</span>
- <span class="identifier">S</span><span class="special">+?</span></code>
+ <code class="literal">S??, S*?, S+?</code>
</p>
</td>
<td>
<p>
- The same as <code class="computeroutput"><span class="identifier">S</span><span class="special">{</span><span class="number">0</span><span class="special">,</span><span class="number">1</span><span class="special">}?</span></code>,
- <code class="computeroutput"><span class="identifier">S</span><span class="special">{</span><span class="number">0</span><span class="special">,</span><span class="identifier">UINT_MAX</span><span class="special">}?</span></code>,
- <code class="computeroutput"><span class="identifier">S</span><span class="special">{</span><span class="number">1</span><span class="special">,</span><span class="identifier">UINT_MAX</span><span class="special">}?</span></code>
- respectively.
+ The same as <code class="literal">S{0,1}?</code>, <code class="literal">S{0,UINT_MAX}?</code>,
+ <code class="literal">S{1,UINT_MAX}?</code> respectively.
</p>
</td>
</tr>
<tr>
<td>
<p>
- <code class="computeroutput"><span class="special">(?></span><span class="identifier">S</span><span class="special">)</span></code>
+ <code class="literal">(?>S)</code>
</p>
</td>
<td>
@@ -1312,7 +1377,7 @@
<tr>
<td>
<p>
- <code class="computeroutput"><span class="special">(?=</span><span class="identifier">S</span><span class="special">),</span> <span class="special">(?<=</span><span class="identifier">S</span><span class="special">)</span></code>
+ <code class="literal">(?=S), (?<=S)</code>
</p>
</td>
<td>
@@ -1325,7 +1390,7 @@
<tr>
<td>
<p>
- <code class="computeroutput"><span class="special">(?!</span><span class="identifier">S</span><span class="special">),</span> <span class="special">(?<!</span><span class="identifier">S</span><span class="special">)</span></code>
+ <code class="literal">(?!S), (?<!S)</code>
</p>
</td>
<td>
@@ -1337,8 +1402,7 @@
<tr>
<td>
<p>
- <code class="computeroutput"><span class="special">(?(</span><span class="identifier">condition</span><span class="special">)</span><span class="identifier">yes</span><span class="special">-</span><span class="identifier">pattern</span>
- <span class="special">|</span> <span class="identifier">no</span><span class="special">-</span><span class="identifier">pattern</span><span class="special">)</span></code>
+ <code class="literal">(?(condition)yes-pattern | no-pattern)</code>
</p>
</td>
<td>
@@ -1351,41 +1415,40 @@
</tbody>
</table></div>
<a name="boost_regex.syntax.perl_syntax.variations"></a><h4>
-<a name="id819179"></a>
+<a name="id791681"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.variations">Variations</a>
</h4>
<p>
The <a class="link" href="../ref/syntax_option_type/syntax_option_type_perl.html" title="Options for Perl Regular Expressions">options
- <code class="computeroutput"><span class="identifier">normal</span></code>, <code class="computeroutput"><span class="identifier">ECMAScript</span></code>,
- <code class="computeroutput"><span class="identifier">JavaScript</span></code> and <code class="computeroutput"><span class="identifier">JScript</span></code></a> are all synonyms for <code class="computeroutput"><span class="identifier">perl</span></code>.
+ <code class="literal">normal</code>, <code class="literal">ECMAScript</code>, <code class="literal">JavaScript</code>
+ and <code class="literal">JScript</code></a> are all synonyms for <code class="literal">perl</code>.
</p>
<a name="boost_regex.syntax.perl_syntax.options"></a><h4>
-<a name="id819238"></a>
+<a name="id791728"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.options">Options</a>
</h4>
<p>
There are a <a class="link" href="../ref/syntax_option_type/syntax_option_type_perl.html" title="Options for Perl Regular Expressions">variety
- of flags</a> that may be combined with the <code class="computeroutput"><span class="identifier">perl</span></code>
- option when constructing the regular expression, in particular note that
- the <code class="computeroutput"><span class="identifier">newline_alt</span></code> option alters
- the syntax, while the <code class="computeroutput"><span class="identifier">collate</span></code>,
- <code class="computeroutput"><span class="identifier">nosubs</span></code> and <code class="computeroutput"><span class="identifier">icase</span></code> options modify how the case and locale
- sensitivity are to be applied.
+ of flags</a> that may be combined with the <code class="literal">perl</code> option
+ when constructing the regular expression, in particular note that the <code class="literal">newline_alt</code>
+ option alters the syntax, while the <code class="literal">collate</code>, <code class="literal">nosubs</code>
+ and <code class="literal">icase</code> options modify how the case and locale sensitivity
+ are to be applied.
</p>
<a name="boost_regex.syntax.perl_syntax.pattern_modifiers"></a><h4>
-<a name="id819298"></a>
+<a name="id791776"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.pattern_modifiers">Pattern
Modifiers</a>
</h4>
<p>
- The perl <code class="computeroutput"><span class="identifier">smix</span></code> modifiers can
- either be applied using a <code class="computeroutput"><span class="special">(?</span><span class="identifier">smix</span><span class="special">-</span><span class="identifier">smix</span><span class="special">)</span></code> prefix to the regular expression, or with
+ The perl <code class="literal">smix</code> modifiers can either be applied using a
+ <code class="literal">(?smix-smix)</code> prefix to the regular expression, or with
one of the <a class="link" href="../ref/syntax_option_type/syntax_option_type_perl.html" title="Options for Perl Regular Expressions">regex-compile
- time flags <code class="computeroutput"><span class="identifier">no_mod_m</span></code>, <code class="computeroutput"><span class="identifier">mod_x</span></code>, <code class="computeroutput"><span class="identifier">mod_s</span></code>,
- and <code class="computeroutput"><span class="identifier">no_mod_s</span></code></a>.
+ time flags <code class="literal">no_mod_m</code>, <code class="literal">mod_x</code>, <code class="literal">mod_s</code>,
+ and <code class="literal">no_mod_s</code></a>.
</p>
<a name="boost_regex.syntax.perl_syntax.references"></a><h4>
-<a name="id819379"></a>
+<a name="id791829"></a>
<a class="link" href="perl_syntax.html#boost_regex.syntax.perl_syntax.references">References</a>
</h4>
<p>
Modified: trunk/libs/regex/doc/html/boost_regex/unicode.html
==============================================================================
--- trunk/libs/regex/doc/html/boost_regex/unicode.html (original)
+++ trunk/libs/regex/doc/html/boost_regex/unicode.html 2009-04-25 13:32:49 EDT (Sat, 25 Apr 2009)
@@ -30,7 +30,7 @@
There are two ways to use Boost.Regex with Unicode strings:
</p>
<a name="boost_regex.unicode.rely_on_wchar_t"></a><h5>
-<a name="id807642"></a>
+<a name="id780741"></a>
<a class="link" href="unicode.html#boost_regex.unicode.rely_on_wchar_t">Rely on wchar_t</a>
</h5>
<p>
@@ -56,7 +56,7 @@
</li>
</ul></div>
<a name="boost_regex.unicode.use_a_unicode_aware_regular_expression_type_"></a><h5>
-<a name="id807760"></a>
+<a name="id780858"></a>
<a class="link" href="unicode.html#boost_regex.unicode.use_a_unicode_aware_regular_expression_type_">Use
a Unicode Aware Regular Expression Type.</a>
</h5>
Modified: trunk/libs/regex/doc/html/index.html
==============================================================================
--- trunk/libs/regex/doc/html/index.html (original)
+++ trunk/libs/regex/doc/html/index.html 2009-04-25 13:32:49 EDT (Sat, 25 Apr 2009)
@@ -28,7 +28,7 @@
</h3></div></div></div>
<div><p class="copyright">Copyright © 1998 -2007 John Maddock</p></div>
<div><div class="legalnotice">
-<a name="id797340"></a><p>
+<a name="id770426"></a><p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
</p>
@@ -196,7 +196,7 @@
</p>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
-<td align="left"><p><small>Last revised: April 23, 2009 at 09:45:24 GMT</small></p></td>
+<td align="left"><p><small>Last revised: April 25, 2009 at 17:20:04 GMT</small></p></td>
<td align="right"><div class="copyright-footer"></div></td>
</tr></table>
<hr>
Modified: trunk/libs/regex/doc/syntax_perl.qbk
==============================================================================
--- trunk/libs/regex/doc/syntax_perl.qbk (original)
+++ trunk/libs/regex/doc/syntax_perl.qbk 2009-04-25 13:32:49 EDT (Sat, 25 Apr 2009)
@@ -12,7 +12,7 @@
The Perl regular expression syntax is based on that used by the
programming language Perl . Perl regular expressions are the
-default behavior in Boost.Regex or you can pass the flag `perl` to the
+default behavior in Boost.Regex or you can pass the flag =perl= to the
[basic_regex] constructor, for example:
// e1 is a case sensitive Perl regular expression:
@@ -34,9 +34,9 @@
any single character except:
* The NULL character when the [link boost_regex.ref.match_flag_type flag
- `match_not_dot_null`] is passed to the matching algorithms.
+ =match_not_dot_null=] is passed to the matching algorithms.
* The newline character when the [link boost_regex.ref.match_flag_type
- flag `match_not_dot_newline`] is passed to
+ flag =match_not_dot_newline=] is passed to
the matching algorithms.
[h4 Anchors]
@@ -47,7 +47,7 @@
[h4 Marked sub-expressions]
-A section beginning `(` and ending `)` acts as a marked sub-expression.
+A section beginning =(= and ending =)= acts as a marked sub-expression.
Whatever matched the sub-expression is split out in a separate field by
the matching algorithms. Marked sub-expressions can also repeated, or
referred to by a back-reference.
@@ -58,23 +58,23 @@
expression, but has the side-effect of spitting out an extra field in
the result. As an alternative you can lexically group part of a
regular expression, without generating a marked sub-expression by using
-`(?:` and `)` , for example `(?:ab)+` will repeat `ab` without splitting
+=(?:= and =)= , for example =(?:ab)+= will repeat =ab= without splitting
out any separate sub-expressions.
[h4 Repeats]
Any atom (a single character, a marked sub-expression, or a character class)
-can be repeated with the `*`, `+`, `?`, and `{}` operators.
+can be repeated with the =*=, =+=, =?=, and ={}= operators.
-The `*` operator will match the preceding atom zero or more times,
-for example the expression `a*b` will match any of the following:
+The =*= operator will match the preceding atom zero or more times,
+for example the expression =a*b= will match any of the following:
b
ab
aaaaaaaab
-The `+` operator will match the preceding atom one or more times, for
-example the expression `a+b` will match any of the following:
+The =+= operator will match the preceding atom one or more times, for
+example the expression =a+b= will match any of the following:
ab
aaaaaaaab
@@ -83,7 +83,7 @@
b
-The `?` operator will match the preceding atom zero or one times, for
+The =?= operator will match the preceding atom zero or one times, for
example the expression ca?b will match any of the following:
cb
@@ -95,11 +95,11 @@
An atom can also be repeated with a bounded repeat:
-`a{n}` Matches 'a' repeated exactly n times.
+=a{n}= Matches 'a' repeated exactly n times.
-`a{n,}` Matches 'a' repeated n or more times.
+=a{n,}= Matches 'a' repeated n or more times.
-`a{n, m}` Matches 'a' repeated between n and m times inclusive.
+=a{n, m}= Matches 'a' repeated between n and m times inclusive.
For example:
@@ -120,7 +120,7 @@
a(*)
-Will raise an error, as there is nothing for the `*` operator to be applied to.
+Will raise an error, as there is nothing for the =*= operator to be applied to.
[h4 Non greedy repeats]
@@ -128,19 +128,19 @@
much input as possible. There are non-greedy versions available that will
consume as little input as possible while still producing a match.
-`*?` Matches the previous atom zero or more times, while consuming as little
+=*?= Matches the previous atom zero or more times, while consuming as little
input as possible.
-`+?` Matches the previous atom one or more times, while consuming as
+=+?= Matches the previous atom one or more times, while consuming as
little input as possible.
-`??` Matches the previous atom zero or one times, while consuming
+=??= Matches the previous atom zero or one times, while consuming
as little input as possible.
-`{n,}?` Matches the previous atom n or more times, while consuming as
+={n,}?= Matches the previous atom n or more times, while consuming as
little input as possible.
-`{n,m}?` Matches the previous atom between n and m times, while
+={n,m}?= Matches the previous atom between n and m times, while
consuming as little input as possible.
[h4 Pocessive repeats]
@@ -150,15 +150,15 @@
also "pocessive" repeats: these match as much as possible and do not then allow
backtracking if the rest of the expression fails to match.
-`*+` Matches the previous atom zero or more times, while giving nothing back.
+=*+= Matches the previous atom zero or more times, while giving nothing back.
-`++` Matches the previous atom one or more times, while giving nothing back.
+=++= Matches the previous atom one or more times, while giving nothing back.
-`?+` Matches the previous atom zero or one times, while giving nothing back.
+=?+= Matches the previous atom zero or one times, while giving nothing back.
-`{n,}+` Matches the previous atom n or more times, while giving nothing back.
+={n,}+= Matches the previous atom n or more times, while giving nothing back.
-`{n,m}+` Matches the previous atom between n and m times, while giving nothing back.
+={n,m}+= Matches the previous atom between n and m times, while giving nothing back.
[h4 Back references]
@@ -175,27 +175,38 @@
But not the string:
aaabba
+
+You can also use the \g escape for the same function, for example:
+
+[table
+[[Escape][Meaning]]
+[[=\g1=][Match whatever matched sub-expression 1]]
+[[=\g{1}=][Match whatever matched sub-expression 1: this form allows for safer
+ parsing of the expression in cases like =\g{1}2= or for indexes higher than 9 as in =\g{1234}=]]
+[[=\g-1=][Match whatever matched the last opened sub-expression]]
+[[=\g{-2}=][Match whatever matched the last but one opened sub-expression]]
+]
[h4 Alternation]
-The `|` operator will match either of its arguments, so for example:
-`abc|def` will match either "abc" or "def".
+The =|= operator will match either of its arguments, so for example:
+=abc|def= will match either "abc" or "def".
-Parenthesis can be used to group alternations, for example: `ab(d|ef)`
+Parenthesis can be used to group alternations, for example: =ab(d|ef)=
will match either of "abd" or "abef".
Empty alternatives are not allowed (these are almost always a mistake), but
-if you really want an empty alternative use `(?:)` as a placeholder, for example:
+if you really want an empty alternative use =(?:)= as a placeholder, for example:
-`|abc` is not a valid expression, but
+=|abc= is not a valid expression, but
-`(?:)|abc` is and is equivalent, also the expression:
+=(?:)|abc= is and is equivalent, also the expression:
-`(?:abc)??` has exactly the same effect.
+=(?:abc)??= has exactly the same effect.
[h4 Character sets]
-A character set is a bracket-expression starting with `[` and ending with `]`,
+A character set is a bracket-expression starting with =[= and ending with =]=,
it defines a set of characters, and matches any single character that is a
member of that set.
@@ -203,35 +214,35 @@
[h5 Single characters]
-For example `[abc]`, will match any of the characters 'a', 'b', or 'c'.
+For example =[abc]=, will match any of the characters 'a', 'b', or 'c'.
[h5 Character ranges]
-For example `[a-c]` will match any single character in the range 'a' to 'c'.
+For example =[a-c]= will match any single character in the range 'a' to 'c'.
By default, for Perl regular expressions, a character x is within the
range y to z, if the code point of the character lies within the codepoints of
the endpoints of the range. Alternatively, if you set the
-[link boost_regex.ref.syntax_option_type.syntax_option_type_perl `collate` flag]
+[link boost_regex.ref.syntax_option_type.syntax_option_type_perl =collate= flag]
when constructing the regular expression, then ranges are locale sensitive.
[h5 Negation]
If the bracket-expression begins with the ^ character, then it matches the
-complement of the characters it contains, for example `[^a-c]` matches
-any character that is not in the range `a-c`.
+complement of the characters it contains, for example =[^a-c]= matches
+any character that is not in the range =a-c=.
[h5 Character classes]
-An expression of the form `[[:name:]]` matches the named character class
-"name", for example `[[:lower:]]` matches any lower case character.
+An expression of the form [^\[\[:name:\]\]] matches the named character class
+"name", for example [^\[\[:lower:\]\]] matches any lower case character.
See [link boost_regex.syntax.character_classes character class names].
[h5 Collating Elements]
-An expression of the form `[[.col.]` matches the collating element /col/.
+An expression of the form [^\[\[.col.\]\]] matches the collating element /col/.
A collating element is any single character, or any sequence of characters
that collates as a single unit. Collating elements may also be used
-as the end point of a range, for example: `[[.ae.]-c]` matches the
+as the end point of a range, for example: [^\[\[.ae.\]-c\]] matches the
character sequence "ae", plus any single character in the range "ae"-c,
assuming that "ae" is treated as a single collating element in the current locale.
@@ -240,11 +251,11 @@
[[.NUL.]]
-matches a `\0` character.
+matches a =\0= character.
[h5 Equivalence classes]
-An expression of the form `[[=col=]]`, matches any character or collating element
+An expression of the form [^\[\[\=col\=\]\]], matches any character or collating element
whose primary sort key is the same as that for collating element /col/, as with
collating elements the name /col/ may be a
[link boost_regex.syntax.collating_names symbolic name]. A primary sort key is
@@ -267,7 +278,7 @@
[h5 Combinations]
All of the above can be combined in one character set declaration, for example:
-`[[:digit:]a-c[.NUL.]]`.
+[^\[\[:digit:\]a-c\[.NUL.\]\]].
[h4 Escapes]
@@ -277,24 +288,24 @@
[table
[[Escape][Character]]
-[[`\a`][`\a`]]
-[[`\e`][`0x1B`]]
-[[`\f`][`\f`]]
-[[`\n`][`\n`]]
-[[`\r`][`\r`]]
-[[`\t`][`\t`]]
-[[`\v `][`\v`]]
-[[`\b`][`\b` (but only inside a character class declaration).]]
-[[`\cX`][An ASCII escape sequence - the character whose code point is X % 32]]
-[[`\xdd`][A hexadecimal escape sequence - matches the single character whose
+[[=\a=][=\a=]]
+[[=\e=][=0x1B=]]
+[[=\f=][=\f=]]
+[[=\n=][=\n=]]
+[[=\r=][=\r=]]
+[[=\t=][=\t=]]
+[[=\v=][=\v=]]
+[[=\b=][=\b= (but only inside a character class declaration).]]
+[[=\cX=][An ASCII escape sequence - the character whose code point is X % 32]]
+[[=\xdd=][A hexadecimal escape sequence - matches the single character whose
code point is 0xdd.]]
-[[`\x{dddd}`][A hexadecimal escape sequence - matches the single character whose
+[[=\x{dddd}=][A hexadecimal escape sequence - matches the single character whose
code point is 0xdddd.]]
-[[`\0ddd`][An octal escape sequence - matches the single character whose
+[[=\0ddd=][An octal escape sequence - matches the single character whose
code point is 0ddd.]]
-[[`\N{name}`][Matches the single character which has the
+[[=\N{name}=][Matches the single character which has the
[link boost_regex.syntax.collating_names symbolic name] /name/.
- For example `\N{newline}` matches the single character \\n.]]
+ For example =\N{newline}= matches the single character \\n.]]
]
[h5 "Single character" character classes:]
@@ -337,19 +348,19 @@
[[`\P{Name}`][Matches any character that does not have the property Name.][`[^[:Name:]]`]]
]
-For example `\pd` matches any "digit" character, as does `\p{digit}`.
+For example =\pd= matches any "digit" character, as does =\p{digit}=.
[h5 Word Boundaries]
The following escape sequences match the boundaries of words:
-`\<` Matches the start of a word.
+=\<= Matches the start of a word.
-`\>` Matches the end of a word.
+=\>= Matches the end of a word.
-`\b` Matches a word boundary (the start or end of a word).
+=\b= Matches a word boundary (the start or end of a word).
-`\B` Matches only when not at a word boundary.
+=\B= Matches only when not at a word boundary.
[h5 Buffer boundaries]
@@ -366,30 +377,44 @@
\\z Matches at the end of a buffer only (the same as \\').
\\Z Matches an optional sequence of newlines at the end of a buffer:
-equivalent to the regular expression `\n*\z`
+equivalent to the regular expression =\n*\z=
[h5 Continuation Escape]
-The sequence `\G` matches only at the end of the last match found, or at
+The sequence =\G= matches only at the end of the last match found, or at
the start of the text being matched if no previous match was found.
This escape useful if you're iterating over the matches contained within a
text, and you want each subsequence match to start where the last one ended.
[h5 Quoting escape]
-The escape sequence `\Q` begins a "quoted sequence": all the subsequent characters
+The escape sequence =\Q= begins a "quoted sequence": all the subsequent characters
are treated as literals, until either the end of the regular expression or \\E
-is found. For example the expression: `\Q\*+\Ea+` would match either of:
+is found. For example the expression: =\Q\*+\Ea+= would match either of:
\*+a
\*+aaa
[h5 Unicode escapes]
-`\C` Matches a single code point: in Boost regex this has exactly the
+=\C= Matches a single code point: in Boost regex this has exactly the
same effect as a "." operator.
-`\X` Matches a combining character sequence: that is any non-combining
+=\X= Matches a combining character sequence: that is any non-combining
character followed by a sequence of zero or more combining characters.
+
+[h5 Matching Line Endings]
+
+The escape sequence =\R= matches any line ending character sequence, specifically it is identical to
+the expression [^(?>\x0D\x0A?|\[\x0A-\x0C\x85\x{2028}\x{2029}\])].
+
+[h5 Keeping back some text]
+
+=\K= Resets the start location of $0 to the current text position: in other words everything to the
+left of \K is "kept back" and does not form part of the regular expression match. $` is updated
+accordingly.
+
+For example =foo\Kbar= matched against the text "foobar" would return the match "bar" for $0 and "foo"
+for $`. This can be used to simulate variable width lookbehind assertions.
[h5 Any other escape]
@@ -398,31 +423,31 @@
[h4 Perl Extended Patterns]
-Perl-specific extensions to the regular expression syntax all start with `(?`.
+Perl-specific extensions to the regular expression syntax all start with =(?=.
[h5 Comments]
-`(?# ... )` is treated as a comment, it's contents are ignored.
+=(?# ... )= is treated as a comment, it's contents are ignored.
[h5 Modifiers]
-`(?imsx-imsx ... )` alters which of the perl modifiers are in effect within
+=(?imsx-imsx ... )= alters which of the perl modifiers are in effect within
the pattern, changes take effect from the point that the block is first seen
-and extend to any enclosing `)`. Letters before a '-' turn that perl
+and extend to any enclosing =)=. Letters before a '-' turn that perl
modifier on, letters afterward, turn it off.
-`(?imsx-imsx:pattern)` applies the specified modifiers to pattern only.
+=(?imsx-imsx:pattern)= applies the specified modifiers to pattern only.
[h5 Non-marking groups]
-`(?:pattern)` lexically groups pattern, without generating an additional
+=(?:pattern)= lexically groups pattern, without generating an additional
sub-expression.
[h5 Lookahead]
-`(?=pattern)` consumes zero characters, only if pattern matches.
+[^(?=pattern)] consumes zero characters, only if pattern matches.
-`(?!pattern)` consumes zero characters, only if pattern does not match.
+=(?!pattern)= consumes zero characters, only if pattern does not match.
Lookahead is typically used to create the logical AND of two regular
expressions, for example if a password must contain a lower case letter,
@@ -435,17 +460,17 @@
[h5 Lookbehind]
-`(?<=pattern)` consumes zero characters, only if pattern could be matched
+[^(?<=pattern)] consumes zero characters, only if pattern could be matched
against the characters preceding the current position (pattern must be
of fixed length).
-`(?<!pattern)` consumes zero characters, only if pattern could not be
+=(?<!pattern)= consumes zero characters, only if pattern could not be
matched against the characters preceding the current position (pattern must
be of fixed length).
[h5 Independent sub-expressions]
-`(?>pattern)` /pattern/ is matched independently of the surrounding patterns,
+=(?>pattern)= /pattern/ is matched independently of the surrounding patterns,
the expression will never backtrack into /pattern/. Independent sub-expressions
are typically used to improve performance; only the best possible match
for pattern will be considered, if this doesn't allow the expression as a
@@ -453,10 +478,10 @@
[h5 Conditional Expressions]
-`(?(condition)yes-pattern|no-pattern)` attempts to match /yes-pattern/ if
+=(?(condition)yes-pattern|no-pattern)= attempts to match /yes-pattern/ if
the /condition/ is true, otherwise attempts to match /no-pattern/.
-`(?(condition)yes-pattern)` attempts to match /yes-pattern/ if the /condition/
+=(?(condition)yes-pattern)= attempts to match /yes-pattern/ if the /condition/
is true, otherwise fails.
/condition/ may be either a forward lookahead assert, or the index of
@@ -468,10 +493,10 @@
The order of precedence for of operators is as follows:
# Collation-related bracket symbols `[==] [::] [..]`
-# Escaped characters `\`
+# Escaped characters =\=
# Character set (bracket expression) `[]`
-# Grouping `()`
-# Single-character-ERE duplication `* + ? {m,n}`
+# Grouping =()=
+# Single-character-ERE duplication =* + ? {m,n}=
# Concatenation
# Anchoring ^$
# Alternation |
@@ -490,42 +515,42 @@
[table
[[Construct][What gets matched]]
-[[`AtomA AtomB`][Locates the best match for /AtomA/ that has a following match for /AtomB/.]]
-[[`Expression1 | Expression2`][If /Expresion1/ can be matched then returns that match,
+[[=AtomA AtomB=][Locates the best match for /AtomA/ that has a following match for /AtomB/.]]
+[[=Expression1 | Expression2=][If /Expresion1/ can be matched then returns that match,
otherwise attempts to match /Expression2/.]]
-[[`S{N}`][Matches /S/ repeated exactly N times.]]
-[[`S{N,M}`][Matches S repeated between N and M times, and as many times as possible.]]
-[[`S{N,M}?`][Matches S repeated between N and M times, and as few times as possible.]]
-[[`S?, S*, S+`][The same as `S{0,1}`, `S{0,UINT_MAX}`, `S{1,UINT_MAX}` respectively.]]
-[[`S??, S*?, S+?`][The same as `S{0,1}?`, `S{0,UINT_MAX}?`, `S{1,UINT_MAX}?` respectively.]]
-[[`(?>S)`][Matches the best match for /S/, and only that.]]
-[[`(?=S), (?<=S)`][Matches only the best match for /S/ (this is only
+[[=S{N}=][Matches /S/ repeated exactly N times.]]
+[[=S{N,M}=][Matches S repeated between N and M times, and as many times as possible.]]
+[[=S{N,M}?=][Matches S repeated between N and M times, and as few times as possible.]]
+[[=S?, S*, S+=][The same as =S{0,1}=, =S{0,UINT_MAX}=, =S{1,UINT_MAX}= respectively.]]
+[[=S??, S*?, S+?=][The same as =S{0,1}?=, =S{0,UINT_MAX}?=, =S{1,UINT_MAX}?= respectively.]]
+[[=(?>S)=][Matches the best match for /S/, and only that.]]
+[[[^(?=S), (?<=S)]][Matches only the best match for /S/ (this is only
visible if there are capturing parenthesis within /S/).]]
-[[`(?!S), (?<!S)`][Considers only whether a match for S exists or not.]]
-[[`(?(condition)yes-pattern | no-pattern)`][If condition is true, then
+[[=(?!S), (?<!S)=][Considers only whether a match for S exists or not.]]
+[[=(?(condition)yes-pattern | no-pattern)=][If condition is true, then
only yes-pattern is considered, otherwise only no-pattern is considered.]]
]
[h3 Variations]
-The [link boost_regex.ref.syntax_option_type.syntax_option_type_perl options `normal`,
-`ECMAScript`, `JavaScript` and `JScript`] are all synonyms for
-`perl`.
+The [link boost_regex.ref.syntax_option_type.syntax_option_type_perl options =normal=,
+=ECMAScript=, =JavaScript= and =JScript=] are all synonyms for
+=perl=.
[h3 Options]
There are a [link boost_regex.ref.syntax_option_type.syntax_option_type_perl
-variety of flags] that may be combined with the `perl` option when
+variety of flags] that may be combined with the =perl= option when
constructing the regular expression, in particular note that the
-`newline_alt` option alters the syntax, while the `collate`, `nosubs` and
-`icase` options modify how the case and locale sensitivity are to be applied.
+=newline_alt= option alters the syntax, while the =collate=, =nosubs= and
+=icase= options modify how the case and locale sensitivity are to be applied.
[h3 Pattern Modifiers]
-The perl `smix` modifiers can either be applied using a `(?smix-smix)`
+The perl =smix= modifiers can either be applied using a =(?smix-smix)=
prefix to the regular expression, or with one of the
[link boost_regex.ref.syntax_option_type.syntax_option_type_perl regex-compile time
-flags `no_mod_m`, `mod_x`, `mod_s`, and `no_mod_s`].
+flags =no_mod_m=, =mod_x=, =mod_s=, and =no_mod_s=].
[h3 References]
Modified: trunk/libs/regex/src/regex_traits_defaults.cpp
==============================================================================
--- trunk/libs/regex/src/regex_traits_defaults.cpp (original)
+++ trunk/libs/regex/src/regex_traits_defaults.cpp 2009-04-25 13:32:49 EDT (Sat, 25 Apr 2009)
@@ -100,6 +100,9 @@
"p",
"P",
"N",
+ "g",
+ "K",
+ "R",
};
return ((n >= (sizeof(messages) / sizeof(messages[1]))) ? "" : messages[n]);
@@ -375,14 +378,14 @@
regex_constants::escape_type_not_class, /*H*/
regex_constants::escape_type_not_class, /*I*/
regex_constants::escape_type_not_class, /*J*/
- regex_constants::escape_type_not_class, /*K*/
+ regex_constants::escape_type_reset_start_mark, /*K*/
regex_constants::escape_type_not_class, /*L*/
regex_constants::escape_type_not_class, /*M*/
regex_constants::escape_type_named_char, /*N*/
regex_constants::escape_type_not_class, /*O*/
regex_constants::escape_type_not_property, /*P*/
regex_constants::escape_type_Q, /*Q*/
- regex_constants::escape_type_not_class, /*R*/
+ regex_constants::escape_type_line_ending, /*R*/
regex_constants::escape_type_not_class, /*S*/
regex_constants::escape_type_not_class, /*T*/
regex_constants::escape_type_not_class, /*U*/
@@ -403,11 +406,11 @@
regex_constants::escape_type_class, /*d*/
regex_constants::escape_type_e, /*e*/
regex_constants::escape_type_control_f, /*f*/
- regex_constants::escape_type_class, /*g*/
+ regex_constants::escape_type_extended_backref, /*g*/
regex_constants::escape_type_class, /*h*/
regex_constants::escape_type_class, /*i*/
regex_constants::escape_type_class, /*j*/
- regex_constants::escape_type_class, /*k*/
+ regex_constants::escape_type_extended_backref, /*k*/
regex_constants::escape_type_class, /*l*/
regex_constants::escape_type_class, /*m*/
regex_constants::escape_type_control_n, /*n*/
Modified: trunk/libs/regex/test/regress/test_backrefs.cpp
==============================================================================
--- trunk/libs/regex/test/regress/test_backrefs.cpp (original)
+++ trunk/libs/regex/test/regress/test_backrefs.cpp 2009-04-25 13:32:49 EDT (Sat, 25 Apr 2009)
@@ -55,5 +55,40 @@
TEST_REGEX_SEARCH("\\(a\\)\\1bc*[ce]d", basic, "aabcccd", match_default, make_array(0, 7, 0, 1, -2, -2));
TEST_REGEX_SEARCH("^\\(a\\)\\1b\\(c\\)*cd$", basic, "aabcccd", match_default, make_array(0, 7, 0, 1, 4, 5, -2, -2));
TEST_REGEX_SEARCH("\\(ab*\\)[ab]*\\1", basic, "ababaaa", match_default, make_array(0, 7, 0, 1, -2, -2));
+ //
+ // Now test the \g version:
+ //
+ TEST_INVALID_REGEX("a(b)\\g2c", perl);
+ TEST_INVALID_REGEX("a(b\\g1)c", perl);
+ TEST_INVALID_REGEX("a(b\\g0)c", perl);
+ TEST_REGEX_SEARCH("a(b*)c\\g1d", perl, "abbcbbd", match_default, make_array(0, 7, 1, 3, -2, -2));
+ TEST_REGEX_SEARCH("a(b*)c\\g1d", perl, "abbcbd", match_default, make_array(-2, -2));
+ TEST_REGEX_SEARCH("a(b*)c\\g1d", perl, "abbcbbbd", match_default, make_array(-2, -2));
+ TEST_REGEX_SEARCH("^(.)\\g1", perl, "abc", match_default, make_array(-2, -2));
+ TEST_REGEX_SEARCH("a([bc])\\g1d", perl, "abcdabbd", match_default, make_array(4, 8, 5, 6, -2, -2));
+ TEST_INVALID_REGEX("a(b)\\g{2}c", perl);
+ TEST_INVALID_REGEX("a(b\\g{1})c", perl);
+ TEST_INVALID_REGEX("a(b\\g{0})c", perl);
+ TEST_REGEX_SEARCH("a(b*)c\\g{1}d", perl, "abbcbbd", match_default, make_array(0, 7, 1, 3, -2, -2));
+ TEST_REGEX_SEARCH("a(b*)c\\g{1}d", perl, "abbcbd", match_default, make_array(-2, -2));
+ TEST_REGEX_SEARCH("a(b*)c\\g{1}d", perl, "abbcbbbd", match_default, make_array(-2, -2));
+ TEST_REGEX_SEARCH("^(.)\\g{1}", perl, "abc", match_default, make_array(-2, -2));
+ TEST_REGEX_SEARCH("a([bc])\\g{1}d", perl, "abcdabbd", match_default, make_array(4, 8, 5, 6, -2, -2));
+ // And again but with negative indexes:
+ TEST_INVALID_REGEX("a(b)\\g-2c", perl);
+ TEST_INVALID_REGEX("a(b\\g-1)c", perl);
+ TEST_INVALID_REGEX("a(b\\g-0)c", perl);
+ TEST_REGEX_SEARCH("a(b*)c\\g-1d", perl, "abbcbbd", match_default, make_array(0, 7, 1, 3, -2, -2));
+ TEST_REGEX_SEARCH("a(b*)c\\g-1d", perl, "abbcbd", match_default, make_array(-2, -2));
+ TEST_REGEX_SEARCH("a(b*)c\\g-1d", perl, "abbcbbbd", match_default, make_array(-2, -2));
+ TEST_REGEX_SEARCH("^(.)\\g1", perl, "abc", match_default, make_array(-2, -2));
+ TEST_REGEX_SEARCH("a([bc])\\g1d", perl, "abcdabbd", match_default, make_array(4, 8, 5, 6, -2, -2));
+ TEST_INVALID_REGEX("a(b)\\g{-2}c", perl);
+ TEST_INVALID_REGEX("a(b\\g{-1})c", perl);
+ TEST_REGEX_SEARCH("a(b*)c\\g{-1}d", perl, "abbcbbd", match_default, make_array(0, 7, 1, 3, -2, -2));
+ TEST_REGEX_SEARCH("a(b*)c\\g{-1}d", perl, "abbcbd", match_default, make_array(-2, -2));
+ TEST_REGEX_SEARCH("a(b*)c\\g{-1}d", perl, "abbcbbbd", match_default, make_array(-2, -2));
+ TEST_REGEX_SEARCH("^(.)\\g{-1}", perl, "abc", match_default, make_array(-2, -2));
+ TEST_REGEX_SEARCH("a([bc])\\g{-1}d", perl, "abcdabbd", match_default, make_array(4, 8, 5, 6, -2, -2));
}
Modified: trunk/libs/regex/test/regress/test_escapes.cpp
==============================================================================
--- trunk/libs/regex/test/regress/test_escapes.cpp (original)
+++ trunk/libs/regex/test/regress/test_escapes.cpp 2009-04-25 13:32:49 EDT (Sat, 25 Apr 2009)
@@ -144,5 +144,23 @@
TEST_REGEX_SEARCH("a\\Gbc", perl, "abc", match_default, make_array(-2, -2));
TEST_REGEX_SEARCH("a\\Aab", perl, "abc", match_default, make_array(-2, -2));
TEST_REGEX_SEARCH("abc(?:\\Z|$)", perl, "abc\n\n", match_default, make_array(0, 3, -2, -2));
+
+ // Buffer reset \K:
+ TEST_REGEX_SEARCH("(foo)\\Kbar", perl, "foobar", match_default, make_array(3, 6, 0, 3, -2, -2));
+ TEST_REGEX_SEARCH("(foo)(\\Kbar|baz)", perl, "foobar", match_default, make_array(3, 6, 0, 3, 3, 6, -2, -2));
+ TEST_REGEX_SEARCH("(foo)(\\Kbar|baz)", perl, "foobaz", match_default, make_array(0, 6, 0, 3, 3, 6, -2, -2));
+ TEST_REGEX_SEARCH("(foo\\Kbar)baz", perl, "foobarbaz", match_default, make_array(3, 9, 0, 6, -2, -2));
+
+ // Line ending \R:
+ TEST_REGEX_SEARCH("\\R", perl, "foo\nbar", match_default, make_array(3, 4, -2, -2));
+ TEST_REGEX_SEARCH("\\R", perl, "foo\rbar", match_default, make_array(3, 4, -2, -2));
+ TEST_REGEX_SEARCH("\\R", perl, "foo\r\nbar", match_default, make_array(3, 5, -2, -2));
+ // see if \u works:
+ const wchar_t* w = "\u2028";
+ if(*w == 0x2028u)
+ {
+ TEST_REGEX_SEARCH_W(L"\\R", perl, L"foo\u2028bar", match_default, make_array(3, 4, -2, -2));
+ TEST_REGEX_SEARCH_W(L"\\R", perl, L"foo\u2029bar", match_default, make_array(3, 4, -2, -2));
+ }
}
Boost-Commit list run by bdawes at acm.org, david.abrahams at rcn.com, gregod at cs.rpi.edu, cpdaniel at pacbell.net, john at johnmaddock.co.uk