Subject: Re: [Boost-users] boost::regex - I do not understand why this testfails.
From: John Maddock (boost.regex_at_[hidden])
Date: 2010-06-23 04:24:04
> Below it is a self contained example and the output it produces.
>
> I thought I would get a match for REGEX2 but not for REGEX1 in string s.
> However REGEX1 matches and produces weird (for me) results.
> I would expect REGEX1 only matches for strings with 6 terms (3 words
> and 3 numbers).
> static const std::string& REGEX1 =
> "\\s*(\\w+)\\s+([\\d,\\.]+)\\s+([\\d,\\.]+)\\s([\\d,\\.]+)\\s*$";
Ugh? REGEX1 will match a string containing *one* word (the "(\\w+)" part),
followed by three numbers which may also contain any number of "."'s or
","'s. And that's exactly what it's doing isn't it?
Maybe I've missed something? John.