Re: [boost] [regex] specify parenthesis

From: John Maddock (john_at_[hidden])
Date: 2007-05-02 12:51:05

Lorenzo Bettini wrote:
>>> 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 '?

No, I did a quick scan of unidata.txt and the only ASCII characters 
classified as Ps are (, [ and {.  The next one that shows up is "TIBETAN 
MARK GUG RTAGS GYON" whatever that is :-)

John.