id summary reporter owner description type status milestone component version severity resolution keywords cc 6042 "regex: Exception for: wregex exp(L""fo(o|b)ar \\1"", regbase::extended)" thomas_linder_puls@… John Maddock "This line of code gives an exception: {{{ #!cpp wregex exp(L""fo(o|b)ar \\1"", regbase::extended); }}} It seems to be the `\1` part that cause the problem. (Running in a 32bit program on a 64bit Windows 7)." Bugs closed To Be Determined regex Boost 1.47.0 Not Applicable fixed