Re: [Boost-users] boost::regex Character set including braces

Subject: Re: [Boost-users] boost::regex Character set including braces
From: John Maddock (john_at_[hidden])
Date: 2013-12-04 14:00:28

>I discovered that if one uses an closing bracket as the first character of 
>a
>character class the character class includes this bracket.
>This works with the standard setting of boost::regex (i.e., perl-regular
>expressions) but it is not documented in the
>manual page
>
>http://www.boost.org/doc/libs/1_55_0/libs/regex/doc/html/boost_regex/syntax/
>perl_syntax.html#boost_regex.syntax.perl_syntax.character_sets
>
>Is this an undocumented feature, a bug or did I misinterpret something in
>the manual?

It's a feature, both Perl and POSIX extended regular expression behave the 
same way.

John.