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[Bug libstdc++/61059] regex throws regex_error for valid extended regular expression
- 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: Sun, 04 May 2014 21:16:38 +0000
- Subject: [Bug libstdc++/61059] regex throws regex_error for valid extended regular expression
- Auto-submitted: auto-generated
- References: <bug-61059-4 at http dot gcc dot gnu dot org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=61059
Jonathan Wakely <redi at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Known to work| |4.10.0
Resolution|--- |INVALID
Target Milestone|--- |4.9.1
--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Reduced:
#include <regex>
int main()
{
std::regex description_keys("\\]", std::regex::extended);
}
POSIX says this is undefined:
http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap09.html#tag_09_04_02
The closing brace is not a POSIX ERE special character so should not be
escaped.
As a GNU extension we accept it with -std=gnu++11