Re: [boost] [regex] specify parenthesis

From: Lorenzo Bettini (bettini_at_[hidden])
Date: 2007-05-02 08:32:37

John Maddock wrote:
> Lorenzo Bettini wrote:
>> I'll see whether this technique makes my regular expressions harder to
>> read than a simple copy and paste solution.
>>
>> I thought there might be a syntax for it because I read in the regex
>> documentation, in the section "Character classes that are supported by
>> Unicode Regular Expressions" these syntaxes
>>
>> Ps  Open Punctuation
>> Pe  Close Punctuation
>>
>> and I thought they might be related (by the way, I actually did not
>> understand what they're for, since there's no example).
> 
> [[:Ps:]] matches any opening punctuation
> [[:Pe:]] matches any closing punctuation
> 
> Exactly what that means is defined by the Unicode std, and these are only 
> supported by u32regex when Boost.Regex is built with ICU support enabled.

You mean something like ` and '?

-- 
Lorenzo Bettini, PhD in Computer Science, DSI, Univ. di Firenze
ICQ# lbetto, 16080134     (GNU/Linux User # 158233)
HOME: http://www.lorenzobettini.it MUSIC: http://www.purplesucker.com
BLOGS: http://tronprog.blogspot.com  http://longlivemusic.blogspot.com
http://www.gnu.org/software/src-highlite
http://www.gnu.org/software/gengetopt
http://www.gnu.org/software/gengen http://doublecpp.sourceforge.net