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[Bug libstdc++/61425] std::regex ignores backslash when using basic or grep grammars
- From: "redi at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 05 Jun 2014 20:34:34 +0000
- Subject: [Bug libstdc++/61425] std::regex ignores backslash when using basic or grep grammars
- Auto-submitted: auto-generated
- References: <bug-61425-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61425
--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Correction: it ignores it with -std=gnu++11, it throws regex_error with
-std=c++11
So it's treating \| as illegal, which is wrong for a POSIX BRE.