std::regex_error(3) Library Functions Manual std::regex_error(3) NAME std::regex_error - A regular expression exception class. SYNOPSIS #include Inherits std::runtime_error. Public Member Functions regex_error (error_type __ecode) Constructs a regex_error object. regex_constants::error_type code () const noexcept Gets the regex error code. virtual const char * what () const noexcept Detailed Description A regular expression exception class. The regular expression library throws objects of this class on error. Since C++11 Constructor & Destructor Documentation std::regex_error::regex_error (error_type __ecode) [explicit] Constructs a regex_error object. Parameters __ecode the regex error code. Member Function Documentation regex_constants::error_type std::regex_error::code () const [inline], [noexcept] Gets the regex error code. Returns the regex error code. virtual const char * std::runtime_error::what () const [virtual], [noexcept], [inherited] Returns a C-style character string describing the general cause of the current error (the same string passed to the ctor). Reimplemented from std::exception. Reimplemented in std::filesystem::filesystem_error, and std::experimental::filesystem::v1::filesystem_error. Author Generated automatically by Doxygen for libstdc++ from the source code. libstdc++ std::regex_error(3)