//===----------------------------------------------------------------------===// // // 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> // template <class BidirectionalIterator, class Allocator, class charT, class traits> // bool // regex_search(BidirectionalIterator first, BidirectionalIterator last, // match_results<BidirectionalIterator, Allocator>& m, // const basic_regex<charT, traits>& e, // regex_constants::match_flag_type flags = regex_constants::match_default); #include <regex> #include <cassert> #include "test_iterators.h" int main() { { std::cmatch m; assert(!std::regex_search("a", m, std::regex())); assert(m.size() == 0); assert(m.empty()); } { std::cmatch m; const char s[] = "a"; assert(std::regex_search(s, m, std::regex("a", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.empty()); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == s+1); assert(m.length(0) == 1); assert(m.position(0) == 0); assert(m.str(0) == "a"); } { std::cmatch m; const char s[] = "ab"; assert(std::regex_search(s, m, std::regex("ab", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == s+2); assert(m.length(0) == 2); assert(m.position(0) == 0); assert(m.str(0) == "ab"); } { std::cmatch m; const char s[] = "ab"; assert(!std::regex_search(s, m, std::regex("ba", std::regex_constants::basic))); assert(m.size() == 0); assert(m.empty()); } { std::cmatch m; const char s[] = "aab"; assert(std::regex_search(s, m, std::regex("ab", std::regex_constants::basic))); assert(m.size() == 1); assert(m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == s+3); assert(m.length(0) == 2); assert(m.position(0) == 1); assert(m.str(0) == "ab"); } { std::cmatch m; const char s[] = "aab"; assert(!std::regex_search(s, m, std::regex("ab", std::regex_constants::basic), std::regex_constants::match_continuous)); assert(m.size() == 0); } { std::cmatch m; const char s[] = "abcd"; assert(std::regex_search(s, m, std::regex("bc", std::regex_constants::basic))); assert(m.size() == 1); assert(m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == s+4); assert(m.length(0) == 2); assert(m.position(0) == 1); assert(m.str(0) == "bc"); } { std::cmatch m; const char s[] = "abbc"; assert(std::regex_search(s, m, std::regex("ab*c", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == s+4); assert(m.length(0) == 4); assert(m.position(0) == 0); assert(m.str(0) == s); } { std::cmatch m; const char s[] = "ababc"; assert(std::regex_search(s, m, std::regex("\\(ab\\)*c", std::regex_constants::basic))); assert(m.size() == 2); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == s+5); assert(m.length(0) == 5); assert(m.position(0) == 0); assert(m.str(0) == s); assert(m.length(1) == 2); assert(m.position(1) == 2); assert(m.str(1) == "ab"); } { std::cmatch m; const char s[] = "abcdefghijk"; assert(std::regex_search(s, m, std::regex("cd\\(\\(e\\)fg\\)hi", std::regex_constants::basic))); assert(m.size() == 3); assert(m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == s+std::regex_traits<char>::length(s)); assert(m.length(0) == 7); assert(m.position(0) == 2); assert(m.str(0) == "cdefghi"); assert(m.length(1) == 3); assert(m.position(1) == 4); assert(m.str(1) == "efg"); assert(m.length(2) == 1); assert(m.position(2) == 4); assert(m.str(2) == "e"); } { std::cmatch m; const char s[] = "abc"; assert(std::regex_search(s, m, std::regex("^abc", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == s+3); assert(m.length(0) == 3); assert(m.position(0) == 0); assert(m.str(0) == s); } { std::cmatch m; const char s[] = "abcd"; assert(std::regex_search(s, m, std::regex("^abc", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == s+4); assert(m.length(0) == 3); assert(m.position(0) == 0); assert(m.str(0) == "abc"); } { std::cmatch m; const char s[] = "aabc"; assert(!std::regex_search(s, m, std::regex("^abc", std::regex_constants::basic))); assert(m.size() == 0); } { std::cmatch m; const char s[] = "abc"; assert(std::regex_search(s, m, std::regex("abc$", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == s+3); assert(m.length(0) == 3); assert(m.position(0) == 0); assert(m.str(0) == s); } { std::cmatch m; const char s[] = "efabc"; assert(std::regex_search(s, m, std::regex("abc$", std::regex_constants::basic))); assert(m.size() == 1); assert(m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == s+5); assert(m.length(0) == 3); assert(m.position(0) == 2); assert(m.str(0) == s+2); } { std::cmatch m; const char s[] = "efabcg"; assert(!std::regex_search(s, m, std::regex("abc$", std::regex_constants::basic))); assert(m.size() == 0); } { std::cmatch m; const char s[] = "abc"; assert(std::regex_search(s, m, std::regex("a.c", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == s+3); assert(m.length(0) == 3); assert(m.position(0) == 0); assert(m.str(0) == s); } { std::cmatch m; const char s[] = "acc"; assert(std::regex_search(s, m, std::regex("a.c", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == s+3); assert(m.length(0) == 3); assert(m.position(0) == 0); assert(m.str(0) == s); } { std::cmatch m; const char s[] = "acc"; assert(std::regex_search(s, m, std::regex("a.c", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == s+3); assert(m.length(0) == 3); assert(m.position(0) == 0); assert(m.str(0) == s); } { std::cmatch m; const char s[] = "abcdef"; assert(std::regex_search(s, m, std::regex("\\(.*\\).*", std::regex_constants::basic))); assert(m.size() == 2); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == s+6); assert(m.length(0) == 6); assert(m.position(0) == 0); assert(m.str(0) == s); assert(m.length(1) == 6); assert(m.position(1) == 0); assert(m.str(1) == s); } { std::cmatch m; const char s[] = "bc"; assert(std::regex_search(s, m, std::regex("\\(a*\\)*", std::regex_constants::basic))); assert(m.size() == 2); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == s+2); assert(m.length(0) == 0); assert(m.position(0) == 0); assert(m.str(0) == ""); assert(m.length(1) == 0); assert(m.position(1) == 0); assert(m.str(1) == ""); } { std::cmatch m; const char s[] = "abbc"; assert(!std::regex_search(s, m, std::regex("ab\\{3,5\\}c", std::regex_constants::basic))); assert(m.size() == 0); } { std::cmatch m; const char s[] = "abbbc"; assert(std::regex_search(s, m, std::regex("ab\\{3,5\\}c", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == m[0].second); assert(m.length(0) == sizeof(s)-1); assert(m.position(0) == 0); assert(m.str(0) == s); } { std::cmatch m; const char s[] = "abbbbc"; assert(std::regex_search(s, m, std::regex("ab\\{3,5\\}c", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == m[0].second); assert(m.length(0) == sizeof(s)-1); assert(m.position(0) == 0); assert(m.str(0) == s); } { std::cmatch m; const char s[] = "abbbbbc"; assert(std::regex_search(s, m, std::regex("ab\\{3,5\\}c", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == m[0].second); assert(m.length(0) == sizeof(s)-1); assert(m.position(0) == 0); assert(m.str(0) == s); } { std::cmatch m; const char s[] = "adefc"; assert(!std::regex_search(s, m, std::regex("ab\\{3,5\\}c", std::regex_constants::basic))); assert(m.size() == 0); } { std::cmatch m; const char s[] = "abbbbbbc"; assert(!std::regex_search(s, m, std::regex("ab\\{3,5\\}c", std::regex_constants::basic))); assert(m.size() == 0); } { std::cmatch m; const char s[] = "adec"; assert(!std::regex_search(s, m, std::regex("a.\\{3,5\\}c", std::regex_constants::basic))); assert(m.size() == 0); } { std::cmatch m; const char s[] = "adefc"; assert(std::regex_search(s, m, std::regex("a.\\{3,5\\}c", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == m[0].second); assert(m.length(0) == sizeof(s)-1); assert(m.position(0) == 0); assert(m.str(0) == s); } { std::cmatch m; const char s[] = "adefgc"; assert(std::regex_search(s, m, std::regex("a.\\{3,5\\}c", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == m[0].second); assert(m.length(0) == sizeof(s)-1); assert(m.position(0) == 0); assert(m.str(0) == s); } { std::cmatch m; const char s[] = "adefghc"; assert(std::regex_search(s, m, std::regex("a.\\{3,5\\}c", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == m[0].second); assert(m.length(0) == sizeof(s)-1); assert(m.position(0) == 0); assert(m.str(0) == s); } { std::cmatch m; const char s[] = "adefghic"; assert(!std::regex_search(s, m, std::regex("a.\\{3,5\\}c", std::regex_constants::basic))); assert(m.size() == 0); } { std::cmatch m; const char s[] = "-ab,ab-"; assert(std::regex_search(s, m, std::regex("-\\(.*\\),\\1-", std::regex_constants::basic))); assert(m.size() == 2); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == m[0].second); assert(m.length(0) == std::char_traits<char>::length(s)); assert(m.position(0) == 0); assert(m.str(0) == s); assert(m.length(1) == 2); assert(m.position(1) == 1); assert(m.str(1) == "ab"); } { std::cmatch m; const char s[] = "ababbabb"; assert(std::regex_search(s, m, std::regex("^\\(ab*\\)*\\1$", std::regex_constants::basic))); assert(m.size() == 2); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == m[0].second); assert(m.length(0) == std::char_traits<char>::length(s)); assert(m.position(0) == 0); assert(m.str(0) == s); assert(m.length(1) == 3); assert(m.position(1) == 2); assert(m.str(1) == "abb"); } { std::cmatch m; const char s[] = "ababbab"; assert(!std::regex_search(s, m, std::regex("^\\(ab*\\)*\\1$", std::regex_constants::basic))); assert(m.size() == 0); } { std::cmatch m; const char s[] = "aBAbbAbB"; assert(std::regex_search(s, m, std::regex("^\\(Ab*\\)*\\1$", std::regex_constants::basic | std::regex_constants::icase))); assert(m.size() == 2); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == m[0].second); assert(m.length(0) == std::char_traits<char>::length(s)); assert(m.position(0) == 0); assert(m.str(0) == s); assert(m.length(1) == 3); assert(m.position(1) == 2); assert(m.str(1) == "Abb"); } { std::cmatch m; const char s[] = "aBAbbAbB"; assert(!std::regex_search(s, m, std::regex("^\\(Ab*\\)*\\1$", std::regex_constants::basic))); assert(m.size() == 0); } { std::cmatch m; const char s[] = "a"; assert(std::regex_search(s, m, std::regex("^[a]$", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == m[0].second); assert(m.length(0) == 1); assert(m.position(0) == 0); assert(m.str(0) == "a"); } { std::cmatch m; const char s[] = "a"; assert(std::regex_search(s, m, std::regex("^[ab]$", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == m[0].second); assert(m.length(0) == 1); assert(m.position(0) == 0); assert(m.str(0) == "a"); } { std::cmatch m; const char s[] = "c"; assert(std::regex_search(s, m, std::regex("^[a-f]$", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == m[0].second); assert(m.length(0) == 1); assert(m.position(0) == 0); assert(m.str(0) == s); } { std::cmatch m; const char s[] = "g"; assert(!std::regex_search(s, m, std::regex("^[a-f]$", std::regex_constants::basic))); assert(m.size() == 0); } { std::cmatch m; const char s[] = "Iraqi"; assert(std::regex_search(s, m, std::regex("q[^u]", std::regex_constants::basic))); assert(m.size() == 1); assert(m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == m[0].second); assert(m.length(0) == 2); assert(m.position(0) == 3); assert(m.str(0) == "qi"); } { std::cmatch m; const char s[] = "Iraq"; assert(!std::regex_search(s, m, std::regex("q[^u]", std::regex_constants::basic))); assert(m.size() == 0); } { std::cmatch m; const char s[] = "AmB"; assert(std::regex_search(s, m, std::regex("A[[:lower:]]B", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == m[0].second); assert(m.length(0) == std::char_traits<char>::length(s)); assert(m.position(0) == 0); assert(m.str(0) == s); } { std::cmatch m; const char s[] = "AMB"; assert(!std::regex_search(s, m, std::regex("A[[:lower:]]B", std::regex_constants::basic))); assert(m.size() == 0); } { std::cmatch m; const char s[] = "AMB"; assert(std::regex_search(s, m, std::regex("A[^[:lower:]]B", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == m[0].second); assert(m.length(0) == std::char_traits<char>::length(s)); assert(m.position(0) == 0); assert(m.str(0) == s); } { std::cmatch m; const char s[] = "AmB"; assert(!std::regex_search(s, m, std::regex("A[^[:lower:]]B", std::regex_constants::basic))); assert(m.size() == 0); } { std::cmatch m; const char s[] = "A5B"; assert(!std::regex_search(s, m, std::regex("A[^[:lower:]0-9]B", std::regex_constants::basic))); assert(m.size() == 0); } { std::cmatch m; const char s[] = "A?B"; assert(std::regex_search(s, m, std::regex("A[^[:lower:]0-9]B", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == m[0].second); assert(m.length(0) == std::char_traits<char>::length(s)); assert(m.position(0) == 0); assert(m.str(0) == s); } { std::cmatch m; const char s[] = "-"; assert(std::regex_search(s, m, std::regex("[a[.hyphen.]z]", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == m[0].second); assert(m.length(0) == std::char_traits<char>::length(s)); assert(m.position(0) == 0); assert(m.str(0) == s); } { std::cmatch m; const char s[] = "z"; assert(std::regex_search(s, m, std::regex("[a[.hyphen.]z]", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == m[0].second); assert(m.length(0) == std::char_traits<char>::length(s)); assert(m.position(0) == 0); assert(m.str(0) == s); } { std::cmatch m; const char s[] = "m"; assert(!std::regex_search(s, m, std::regex("[a[.hyphen.]z]", std::regex_constants::basic))); assert(m.size() == 0); } std::locale::global(std::locale("cs_CZ.ISO8859-2")); { std::cmatch m; const char s[] = "m"; assert(std::regex_search(s, m, std::regex("[a[=M=]z]", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == m[0].second); assert(m.length(0) == std::char_traits<char>::length(s)); assert(m.position(0) == 0); assert(m.str(0) == s); } { std::cmatch m; const char s[] = "Ch"; assert(std::regex_search(s, m, std::regex("[a[.ch.]z]", std::regex_constants::basic | std::regex_constants::icase))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == m[0].second); assert(m.length(0) == std::char_traits<char>::length(s)); assert(m.position(0) == 0); assert(m.str(0) == s); } std::locale::global(std::locale("C")); { std::cmatch m; const char s[] = "m"; assert(!std::regex_search(s, m, std::regex("[a[=M=]z]", std::regex_constants::basic))); assert(m.size() == 0); } { std::cmatch m; const char s[] = "01a45cef9"; assert(std::regex_search(s, m, std::regex("[ace1-9]*", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == s + std::char_traits<char>::length(s)); assert(m.length(0) == 0); assert(m.position(0) == 0); assert(m.str(0) == ""); } { std::cmatch m; const char s[] = "01a45cef9"; assert(std::regex_search(s, m, std::regex("[ace1-9]\\{1,\\}", std::regex_constants::basic))); assert(m.size() == 1); assert(m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == s + std::char_traits<char>::length(s)); assert(m.length(0) == 6); assert(m.position(0) == 1); assert(m.str(0) == "1a45ce"); } { const char r[] = "^[-+]\\{0,1\\}[0-9]\\{1,\\}[CF]$"; std::ptrdiff_t sr = std::char_traits<char>::length(r); typedef forward_iterator<const char*> FI; typedef bidirectional_iterator<const char*> BI; std::regex regex(FI(r), FI(r+sr), std::regex_constants::basic); std::match_results<BI> m; const char s[] = "-40C"; std::ptrdiff_t ss = std::char_traits<char>::length(s); assert(std::regex_search(BI(s), BI(s+ss), m, regex)); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == BI(s)); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == m[0].second); assert(m.length(0) == 4); assert(m.position(0) == 0); assert(m.str(0) == s); } { std::wcmatch m; assert(!std::regex_search(L"a", m, std::wregex())); assert(m.size() == 0); assert(m.empty()); } { std::wcmatch m; const wchar_t s[] = L"a"; assert(std::regex_search(s, m, std::wregex(L"a", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.empty()); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == s+1); assert(m.length(0) == 1); assert(m.position(0) == 0); assert(m.str(0) == L"a"); } { std::wcmatch m; const wchar_t s[] = L"ab"; assert(std::regex_search(s, m, std::wregex(L"ab", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == s+2); assert(m.length(0) == 2); assert(m.position(0) == 0); assert(m.str(0) == L"ab"); } { std::wcmatch m; const wchar_t s[] = L"ab"; assert(!std::regex_search(s, m, std::wregex(L"ba", std::regex_constants::basic))); assert(m.size() == 0); assert(m.empty()); } { std::wcmatch m; const wchar_t s[] = L"aab"; assert(std::regex_search(s, m, std::wregex(L"ab", std::regex_constants::basic))); assert(m.size() == 1); assert(m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == s+3); assert(m.length(0) == 2); assert(m.position(0) == 1); assert(m.str(0) == L"ab"); } { std::wcmatch m; const wchar_t s[] = L"aab"; assert(!std::regex_search(s, m, std::wregex(L"ab", std::regex_constants::basic), std::regex_constants::match_continuous)); assert(m.size() == 0); } { std::wcmatch m; const wchar_t s[] = L"abcd"; assert(std::regex_search(s, m, std::wregex(L"bc", std::regex_constants::basic))); assert(m.size() == 1); assert(m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == s+4); assert(m.length(0) == 2); assert(m.position(0) == 1); assert(m.str(0) == L"bc"); } { std::wcmatch m; const wchar_t s[] = L"abbc"; assert(std::regex_search(s, m, std::wregex(L"ab*c", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == s+4); assert(m.length(0) == 4); assert(m.position(0) == 0); assert(m.str(0) == s); } { std::wcmatch m; const wchar_t s[] = L"ababc"; assert(std::regex_search(s, m, std::wregex(L"\\(ab\\)*c", std::regex_constants::basic))); assert(m.size() == 2); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == s+5); assert(m.length(0) == 5); assert(m.position(0) == 0); assert(m.str(0) == s); assert(m.length(1) == 2); assert(m.position(1) == 2); assert(m.str(1) == L"ab"); } { std::wcmatch m; const wchar_t s[] = L"abcdefghijk"; assert(std::regex_search(s, m, std::wregex(L"cd\\(\\(e\\)fg\\)hi", std::regex_constants::basic))); assert(m.size() == 3); assert(m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == s+std::regex_traits<wchar_t>::length(s)); assert(m.length(0) == 7); assert(m.position(0) == 2); assert(m.str(0) == L"cdefghi"); assert(m.length(1) == 3); assert(m.position(1) == 4); assert(m.str(1) == L"efg"); assert(m.length(2) == 1); assert(m.position(2) == 4); assert(m.str(2) == L"e"); } { std::wcmatch m; const wchar_t s[] = L"abc"; assert(std::regex_search(s, m, std::wregex(L"^abc", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == s+3); assert(m.length(0) == 3); assert(m.position(0) == 0); assert(m.str(0) == s); } { std::wcmatch m; const wchar_t s[] = L"abcd"; assert(std::regex_search(s, m, std::wregex(L"^abc", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == s+4); assert(m.length(0) == 3); assert(m.position(0) == 0); assert(m.str(0) == L"abc"); } { std::wcmatch m; const wchar_t s[] = L"aabc"; assert(!std::regex_search(s, m, std::wregex(L"^abc", std::regex_constants::basic))); assert(m.size() == 0); } { std::wcmatch m; const wchar_t s[] = L"abc"; assert(std::regex_search(s, m, std::wregex(L"abc$", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == s+3); assert(m.length(0) == 3); assert(m.position(0) == 0); assert(m.str(0) == s); } { std::wcmatch m; const wchar_t s[] = L"efabc"; assert(std::regex_search(s, m, std::wregex(L"abc$", std::regex_constants::basic))); assert(m.size() == 1); assert(m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == s+5); assert(m.length(0) == 3); assert(m.position(0) == 2); assert(m.str(0) == s+2); } { std::wcmatch m; const wchar_t s[] = L"efabcg"; assert(!std::regex_search(s, m, std::wregex(L"abc$", std::regex_constants::basic))); assert(m.size() == 0); } { std::wcmatch m; const wchar_t s[] = L"abc"; assert(std::regex_search(s, m, std::wregex(L"a.c", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == s+3); assert(m.length(0) == 3); assert(m.position(0) == 0); assert(m.str(0) == s); } { std::wcmatch m; const wchar_t s[] = L"acc"; assert(std::regex_search(s, m, std::wregex(L"a.c", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == s+3); assert(m.length(0) == 3); assert(m.position(0) == 0); assert(m.str(0) == s); } { std::wcmatch m; const wchar_t s[] = L"acc"; assert(std::regex_search(s, m, std::wregex(L"a.c", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == s+3); assert(m.length(0) == 3); assert(m.position(0) == 0); assert(m.str(0) == s); } { std::wcmatch m; const wchar_t s[] = L"abcdef"; assert(std::regex_search(s, m, std::wregex(L"\\(.*\\).*", std::regex_constants::basic))); assert(m.size() == 2); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == s+6); assert(m.length(0) == 6); assert(m.position(0) == 0); assert(m.str(0) == s); assert(m.length(1) == 6); assert(m.position(1) == 0); assert(m.str(1) == s); } { std::wcmatch m; const wchar_t s[] = L"bc"; assert(std::regex_search(s, m, std::wregex(L"\\(a*\\)*", std::regex_constants::basic))); assert(m.size() == 2); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == s+2); assert(m.length(0) == 0); assert(m.position(0) == 0); assert(m.str(0) == L""); assert(m.length(1) == 0); assert(m.position(1) == 0); assert(m.str(1) == L""); } { std::wcmatch m; const wchar_t s[] = L"abbc"; assert(!std::regex_search(s, m, std::wregex(L"ab\\{3,5\\}c", std::regex_constants::basic))); assert(m.size() == 0); } { std::wcmatch m; const wchar_t s[] = L"abbbc"; assert(std::regex_search(s, m, std::wregex(L"ab\\{3,5\\}c", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == m[0].second); assert(m.length(0) == std::char_traits<wchar_t>::length(s)); assert(m.position(0) == 0); assert(m.str(0) == s); } { std::wcmatch m; const wchar_t s[] = L"abbbbc"; assert(std::regex_search(s, m, std::wregex(L"ab\\{3,5\\}c", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == m[0].second); assert(m.length(0) == std::char_traits<wchar_t>::length(s)); assert(m.position(0) == 0); assert(m.str(0) == s); } { std::wcmatch m; const wchar_t s[] = L"abbbbbc"; assert(std::regex_search(s, m, std::wregex(L"ab\\{3,5\\}c", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == m[0].second); assert(m.length(0) == std::char_traits<wchar_t>::length(s)); assert(m.position(0) == 0); assert(m.str(0) == s); } { std::wcmatch m; const wchar_t s[] = L"adefc"; assert(!std::regex_search(s, m, std::wregex(L"ab\\{3,5\\}c", std::regex_constants::basic))); assert(m.size() == 0); } { std::wcmatch m; const wchar_t s[] = L"abbbbbbc"; assert(!std::regex_search(s, m, std::wregex(L"ab\\{3,5\\}c", std::regex_constants::basic))); assert(m.size() == 0); } { std::wcmatch m; const wchar_t s[] = L"adec"; assert(!std::regex_search(s, m, std::wregex(L"a.\\{3,5\\}c", std::regex_constants::basic))); assert(m.size() == 0); } { std::wcmatch m; const wchar_t s[] = L"adefc"; assert(std::regex_search(s, m, std::wregex(L"a.\\{3,5\\}c", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == m[0].second); assert(m.length(0) == std::char_traits<wchar_t>::length(s)); assert(m.position(0) == 0); assert(m.str(0) == s); } { std::wcmatch m; const wchar_t s[] = L"adefgc"; assert(std::regex_search(s, m, std::wregex(L"a.\\{3,5\\}c", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == m[0].second); assert(m.length(0) == std::char_traits<wchar_t>::length(s)); assert(m.position(0) == 0); assert(m.str(0) == s); } { std::wcmatch m; const wchar_t s[] = L"adefghc"; assert(std::regex_search(s, m, std::wregex(L"a.\\{3,5\\}c", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == m[0].second); assert(m.length(0) == std::char_traits<wchar_t>::length(s)); assert(m.position(0) == 0); assert(m.str(0) == s); } { std::wcmatch m; const wchar_t s[] = L"adefghic"; assert(!std::regex_search(s, m, std::wregex(L"a.\\{3,5\\}c", std::regex_constants::basic))); assert(m.size() == 0); } { std::wcmatch m; const wchar_t s[] = L"-ab,ab-"; assert(std::regex_search(s, m, std::wregex(L"-\\(.*\\),\\1-", std::regex_constants::basic))); assert(m.size() == 2); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == m[0].second); assert(m.length(0) == std::char_traits<wchar_t>::length(s)); assert(m.position(0) == 0); assert(m.str(0) == s); assert(m.length(1) == 2); assert(m.position(1) == 1); assert(m.str(1) == L"ab"); } { std::wcmatch m; const wchar_t s[] = L"ababbabb"; assert(std::regex_search(s, m, std::wregex(L"^\\(ab*\\)*\\1$", std::regex_constants::basic))); assert(m.size() == 2); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == m[0].second); assert(m.length(0) == std::char_traits<wchar_t>::length(s)); assert(m.position(0) == 0); assert(m.str(0) == s); assert(m.length(1) == 3); assert(m.position(1) == 2); assert(m.str(1) == L"abb"); } { std::wcmatch m; const wchar_t s[] = L"ababbab"; assert(!std::regex_search(s, m, std::wregex(L"^\\(ab*\\)*\\1$", std::regex_constants::basic))); assert(m.size() == 0); } { std::wcmatch m; const wchar_t s[] = L"aBAbbAbB"; assert(std::regex_search(s, m, std::wregex(L"^\\(Ab*\\)*\\1$", std::regex_constants::basic | std::regex_constants::icase))); assert(m.size() == 2); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == m[0].second); assert(m.length(0) == std::char_traits<wchar_t>::length(s)); assert(m.position(0) == 0); assert(m.str(0) == s); assert(m.length(1) == 3); assert(m.position(1) == 2); assert(m.str(1) == L"Abb"); } { std::wcmatch m; const wchar_t s[] = L"aBAbbAbB"; assert(!std::regex_search(s, m, std::wregex(L"^\\(Ab*\\)*\\1$", std::regex_constants::basic))); assert(m.size() == 0); } { std::wcmatch m; const wchar_t s[] = L"a"; assert(std::regex_search(s, m, std::wregex(L"^[a]$", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == m[0].second); assert(m.length(0) == 1); assert(m.position(0) == 0); assert(m.str(0) == L"a"); } { std::wcmatch m; const wchar_t s[] = L"a"; assert(std::regex_search(s, m, std::wregex(L"^[ab]$", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == m[0].second); assert(m.length(0) == 1); assert(m.position(0) == 0); assert(m.str(0) == L"a"); } { std::wcmatch m; const wchar_t s[] = L"c"; assert(std::regex_search(s, m, std::wregex(L"^[a-f]$", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == m[0].second); assert(m.length(0) == 1); assert(m.position(0) == 0); assert(m.str(0) == s); } { std::wcmatch m; const wchar_t s[] = L"g"; assert(!std::regex_search(s, m, std::wregex(L"^[a-f]$", std::regex_constants::basic))); assert(m.size() == 0); } { std::wcmatch m; const wchar_t s[] = L"Iraqi"; assert(std::regex_search(s, m, std::wregex(L"q[^u]", std::regex_constants::basic))); assert(m.size() == 1); assert(m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == m[0].second); assert(m.length(0) == 2); assert(m.position(0) == 3); assert(m.str(0) == L"qi"); } { std::wcmatch m; const wchar_t s[] = L"Iraq"; assert(!std::regex_search(s, m, std::wregex(L"q[^u]", std::regex_constants::basic))); assert(m.size() == 0); } { std::wcmatch m; const wchar_t s[] = L"AmB"; assert(std::regex_search(s, m, std::wregex(L"A[[:lower:]]B", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == m[0].second); assert(m.length(0) == std::char_traits<wchar_t>::length(s)); assert(m.position(0) == 0); assert(m.str(0) == s); } { std::wcmatch m; const wchar_t s[] = L"AMB"; assert(!std::regex_search(s, m, std::wregex(L"A[[:lower:]]B", std::regex_constants::basic))); assert(m.size() == 0); } { std::wcmatch m; const wchar_t s[] = L"AMB"; assert(std::regex_search(s, m, std::wregex(L"A[^[:lower:]]B", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == m[0].second); assert(m.length(0) == std::char_traits<wchar_t>::length(s)); assert(m.position(0) == 0); assert(m.str(0) == s); } { std::wcmatch m; const wchar_t s[] = L"AmB"; assert(!std::regex_search(s, m, std::wregex(L"A[^[:lower:]]B", std::regex_constants::basic))); assert(m.size() == 0); } { std::wcmatch m; const wchar_t s[] = L"A5B"; assert(!std::regex_search(s, m, std::wregex(L"A[^[:lower:]0-9]B", std::regex_constants::basic))); assert(m.size() == 0); } { std::wcmatch m; const wchar_t s[] = L"A?B"; assert(std::regex_search(s, m, std::wregex(L"A[^[:lower:]0-9]B", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == m[0].second); assert(m.length(0) == std::char_traits<wchar_t>::length(s)); assert(m.position(0) == 0); assert(m.str(0) == s); } { std::wcmatch m; const wchar_t s[] = L"-"; assert(std::regex_search(s, m, std::wregex(L"[a[.hyphen.]z]", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == m[0].second); assert(m.length(0) == std::char_traits<wchar_t>::length(s)); assert(m.position(0) == 0); assert(m.str(0) == s); } { std::wcmatch m; const wchar_t s[] = L"z"; assert(std::regex_search(s, m, std::wregex(L"[a[.hyphen.]z]", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == m[0].second); assert(m.length(0) == std::char_traits<wchar_t>::length(s)); assert(m.position(0) == 0); assert(m.str(0) == s); } { std::wcmatch m; const wchar_t s[] = L"m"; assert(!std::regex_search(s, m, std::wregex(L"[a[.hyphen.]z]", std::regex_constants::basic))); assert(m.size() == 0); } std::locale::global(std::locale("cs_CZ.ISO8859-2")); { std::wcmatch m; const wchar_t s[] = L"m"; assert(std::regex_search(s, m, std::wregex(L"[a[=M=]z]", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == m[0].second); assert(m.length(0) == std::char_traits<wchar_t>::length(s)); assert(m.position(0) == 0); assert(m.str(0) == s); } { std::wcmatch m; const wchar_t s[] = L"Ch"; assert(std::regex_search(s, m, std::wregex(L"[a[.ch.]z]", std::regex_constants::basic | std::regex_constants::icase))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == m[0].second); assert(m.length(0) == std::char_traits<wchar_t>::length(s)); assert(m.position(0) == 0); assert(m.str(0) == s); } std::locale::global(std::locale("C")); { std::wcmatch m; const wchar_t s[] = L"m"; assert(!std::regex_search(s, m, std::wregex(L"[a[=M=]z]", std::regex_constants::basic))); assert(m.size() == 0); } { std::wcmatch m; const wchar_t s[] = L"01a45cef9"; assert(std::regex_search(s, m, std::wregex(L"[ace1-9]*", std::regex_constants::basic))); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == s + std::char_traits<wchar_t>::length(s)); assert(m.length(0) == 0); assert(m.position(0) == 0); assert(m.str(0) == L""); } { std::wcmatch m; const wchar_t s[] = L"01a45cef9"; assert(std::regex_search(s, m, std::wregex(L"[ace1-9]\\{1,\\}", std::regex_constants::basic))); assert(m.size() == 1); assert(m.prefix().matched); assert(m.prefix().first == s); assert(m.prefix().second == m[0].first); assert(m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == s + std::char_traits<wchar_t>::length(s)); assert(m.length(0) == 6); assert(m.position(0) == 1); assert(m.str(0) == L"1a45ce"); } { const wchar_t r[] = L"^[-+]\\{0,1\\}[0-9]\\{1,\\}[CF]$"; std::ptrdiff_t sr = std::char_traits<wchar_t>::length(r); typedef forward_iterator<const wchar_t*> FI; typedef bidirectional_iterator<const wchar_t*> BI; std::wregex regex(FI(r), FI(r+sr), std::regex_constants::basic); std::match_results<BI> m; const wchar_t s[] = L"-40C"; std::ptrdiff_t ss = std::char_traits<wchar_t>::length(s); assert(std::regex_search(BI(s), BI(s+ss), m, regex)); assert(m.size() == 1); assert(!m.prefix().matched); assert(m.prefix().first == BI(s)); assert(m.prefix().second == m[0].first); assert(!m.suffix().matched); assert(m.suffix().first == m[0].second); assert(m.suffix().second == m[0].second); assert(m.length(0) == 4); assert(m.position(0) == 0); assert(m.str(0) == s); } }