1dbc8cf059e0b7190337d6f7ef922e30fe67a30e2Howard Hinnant//===----------------------------------------------------------------------===// 2dbc8cf059e0b7190337d6f7ef922e30fe67a30e2Howard Hinnant// 3dbc8cf059e0b7190337d6f7ef922e30fe67a30e2Howard Hinnant// The LLVM Compiler Infrastructure 4dbc8cf059e0b7190337d6f7ef922e30fe67a30e2Howard Hinnant// 5dbc8cf059e0b7190337d6f7ef922e30fe67a30e2Howard Hinnant// This file is dual licensed under the MIT and the University of Illinois Open 6dbc8cf059e0b7190337d6f7ef922e30fe67a30e2Howard Hinnant// Source Licenses. See LICENSE.TXT for details. 7dbc8cf059e0b7190337d6f7ef922e30fe67a30e2Howard Hinnant// 8dbc8cf059e0b7190337d6f7ef922e30fe67a30e2Howard Hinnant//===----------------------------------------------------------------------===// 9dbc8cf059e0b7190337d6f7ef922e30fe67a30e2Howard Hinnant 10dbc8cf059e0b7190337d6f7ef922e30fe67a30e2Howard Hinnant// <regex> 11dbc8cf059e0b7190337d6f7ef922e30fe67a30e2Howard Hinnant 12dbc8cf059e0b7190337d6f7ef922e30fe67a30e2Howard Hinnant// template <class charT, class traits = regex_traits<charT>> class basic_regex; 13dbc8cf059e0b7190337d6f7ef922e30fe67a30e2Howard Hinnant 14dbc8cf059e0b7190337d6f7ef922e30fe67a30e2Howard Hinnant// template <class ST, class SA> 15dbc8cf059e0b7190337d6f7ef922e30fe67a30e2Howard Hinnant// basic_regex(const basic_string<charT, ST, SA>& s); 16dbc8cf059e0b7190337d6f7ef922e30fe67a30e2Howard Hinnant 17dbc8cf059e0b7190337d6f7ef922e30fe67a30e2Howard Hinnant#include <regex> 18dbc8cf059e0b7190337d6f7ef922e30fe67a30e2Howard Hinnant#include <cassert> 19dbc8cf059e0b7190337d6f7ef922e30fe67a30e2Howard Hinnant 20dbc8cf059e0b7190337d6f7ef922e30fe67a30e2Howard Hinnantint main() 21dbc8cf059e0b7190337d6f7ef922e30fe67a30e2Howard Hinnant{ 22dbc8cf059e0b7190337d6f7ef922e30fe67a30e2Howard Hinnant using std::regex_constants::awk; 23dbc8cf059e0b7190337d6f7ef922e30fe67a30e2Howard Hinnant 24dbc8cf059e0b7190337d6f7ef922e30fe67a30e2Howard Hinnant assert(std::regex_match("\4", std::regex{"\\4", awk})); 25dbc8cf059e0b7190337d6f7ef922e30fe67a30e2Howard Hinnant assert(std::regex_match("\41", std::regex{"\\41", awk})); 26dbc8cf059e0b7190337d6f7ef922e30fe67a30e2Howard Hinnant assert(std::regex_match("\141", std::regex{"\\141", awk})); 27dbc8cf059e0b7190337d6f7ef922e30fe67a30e2Howard Hinnant assert(std::regex_match("\1411", std::regex{"\\1411", awk})); 28dbc8cf059e0b7190337d6f7ef922e30fe67a30e2Howard Hinnant} 29