// -*- C++ -*- //===----------------------------------------------------------------------===// // // The LLVM Compiler Infrastructure // // This file is dual licensed under the MIT and the University of Illinois Open // Source Licenses. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // <regex> // match_not_bol: // The first character in the sequence [first,last) shall be treated as // though it is not at the beginning of a line, so the character ^ in the // regular expression shall not match [first,first). #include <regex> #include <cassert> int main() { { std::string target = "foo"; std::regex re("^foo"); assert( std::regex_match(target, re)); assert(!std::regex_match(target, re, std::regex_constants::match_not_bol)); } { std::string target = "foo"; std::regex re("foo"); assert( std::regex_match(target, re)); assert( std::regex_match(target, re, std::regex_constants::match_not_bol)); } { std::string target = "fooby"; std::regex re("^foo"); assert( std::regex_search(target, re)); assert(!std::regex_search(target, re, std::regex_constants::match_not_bol)); } { std::string target = "fooby"; std::regex re("foo"); assert( std::regex_search(target, re)); assert( std::regex_search(target, re, std::regex_constants::match_not_bol)); } }