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Date:      Fri, 14 Dec 2018 10:43:11 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 233994] boost::regex match but not std::regex
Message-ID:  <bug-233994-227-ovXc33c9Y3@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-233994-227@https.bugs.freebsd.org/bugzilla/>
References:  <bug-233994-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=233994

--- Comment #3 from georg-bsd@schorsch-tech.de ---
I think it might be a bug in libc++ because 
on Windows(MSVC 2013 & MSVC 2017) and on Linux (gcc 8.2 + libstdc++) this regex
(from std) matches with the global locale from boost. Also the regex from boost
matches (replace std::regex by boost::regex). 

Do you think the other implementations are wrong? 

This bug triggers only (also on my box and only on freebsd with clang and
libc++) when i use boost::locale. As you said, with std::locale() it matches.

When i comment the locale out, and use the std locale, the regex matches.

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