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 // class match_results<BidirectionalIterator, Allocator> 13 14 // string_type 15 // format(const char_type* fmt, 16 // regex_constants::match_flag_type flags = regex_constants::format_default) const; 17 18 #include <iostream> 19 20 #include <regex> 21 #include <cassert> 22 #include "test_macros.h" 23 24 int main() 25 { 26 { 27 std::match_results<const char*> m; 28 const char s[] = "abcdefghijk"; 29 assert(std::regex_search(s, m, std::regex("cd((e)fg)hi"))); 30 31 const char fmt[] = "prefix: $`, match: $&, suffix: $', m[1]: $1, m[2]: $2"; 32 std::string out = m.format(fmt); 33 assert(out == "prefix: ab, match: cdefghi, suffix: jk, m[1]: efg, m[2]: e"); 34 } 35 { 36 std::match_results<const char*> m; 37 const char s[] = "abcdefghijk"; 38 assert(std::regex_search(s, m, std::regex("cd((e)fg)hi"))); 39 40 const char fmt[] = "prefix: $`, match: $&, suffix: $', m[1]: $1, m[2]: $2"; 41 std::string out = m.format(fmt, std::regex_constants::format_sed); 42 assert(out == "prefix: $`, match: $cdefghi, suffix: $', m[1]: $1, m[2]: $2"); 43 } 44 { 45 std::match_results<const char*> m; 46 const char s[] = "abcdefghijk"; 47 assert(std::regex_search(s, m, std::regex("cd((e)fg)hi"))); 48 49 const char fmt[] = "match: &, m[1]: \\1, m[2]: \\2"; 50 std::string out = m.format(fmt, std::regex_constants::format_sed); 51 assert(out == "match: cdefghi, m[1]: efg, m[2]: e"); 52 } 53 54 { 55 std::match_results<const wchar_t*> m; 56 const wchar_t s[] = L"abcdefghijk"; 57 assert(std::regex_search(s, m, std::wregex(L"cd((e)fg)hi"))); 58 59 const wchar_t fmt[] = L"prefix: $`, match: $&, suffix: $', m[1]: $1, m[2]: $2"; 60 std::wstring out = m.format(fmt); 61 assert(out == L"prefix: ab, match: cdefghi, suffix: jk, m[1]: efg, m[2]: e"); 62 } 63 { 64 std::match_results<const wchar_t*> m; 65 const wchar_t s[] = L"abcdefghijk"; 66 assert(std::regex_search(s, m, std::wregex(L"cd((e)fg)hi"))); 67 68 const wchar_t fmt[] = L"prefix: $`, match: $&, suffix: $', m[1]: $1, m[2]: $2"; 69 std::wstring out = m.format(fmt, std::regex_constants::format_sed); 70 assert(out == L"prefix: $`, match: $cdefghi, suffix: $', m[1]: $1, m[2]: $2"); 71 } 72 { 73 std::match_results<const wchar_t*> m; 74 const wchar_t s[] = L"abcdefghijk"; 75 assert(std::regex_search(s, m, std::wregex(L"cd((e)fg)hi"))); 76 77 const wchar_t fmt[] = L"match: &, m[1]: \\1, m[2]: \\2"; 78 std::wstring out = m.format(fmt, std::regex_constants::format_sed); 79 assert(out == L"match: cdefghi, m[1]: efg, m[2]: e"); 80 } 81 } 82