id summary reporter owner description type status milestone component version severity resolution keywords cc 13206 regex constructor throws regex_error for simple expression Asbjørn Pedersen John Maddock "The code below throws boost::regex_error when creating an instance of boost::regex. I compile with visual studio 2015 and uses boost 1.65 precompiled for 32 bit windows (boost_1_65_1-msvc-14.0-32.exe) #include ""stdafx.h"" #include int main() { try { boost::regex re(""[A-Z-.]+""); } catch (...) { assert(false); } return 0; } " Bugs new To Be Determined regex Boost 1.65.0 Problem regex error_range