1//===----------------------------------------------------------------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is dual licensed under the MIT and the University of Illinois Open 6// Source Licenses. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10// <regex> 11 12// template <class charT, class traits = regex_traits<charT>> class basic_regex; 13 14// template <class ST, class SA> 15// basic_regex(const basic_string<charT, ST, SA>& s); 16 17#include <regex> 18#include <cassert> 19 20int main() 21{ 22 using std::regex_constants::awk; 23 24 assert(std::regex_match("\4", std::regex("\\4", awk))); 25 assert(std::regex_match("\41", std::regex("\\41", awk))); 26 assert(std::regex_match("\141", std::regex("\\141", awk))); 27 assert(std::regex_match("\1411", std::regex("\\1411", awk))); 28} 29