45 lines · cpp
1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9// <regex>10 11// class regex_iterator<BidirectionalIterator, charT, traits>12 13// const value_type& operator*() const;14 15#include <regex>16#include <cassert>17#include "test_macros.h"18 19int main(int, char**)20{21 {22 std::regex phone_numbers("\\d{3}-\\d{4}");23 const char phone_book[] = "555-1234, 555-2345, 555-3456";24 std::cregex_iterator i(std::begin(phone_book), std::end(phone_book), phone_numbers);25 assert(i != std::cregex_iterator());26 assert((*i).size() == 1);27 assert((*i).position() == 0);28 assert((*i).str() == "555-1234");29 ++i;30 assert(i != std::cregex_iterator());31 assert((*i).size() == 1);32 assert((*i).position() == 10);33 assert((*i).str() == "555-2345");34 ++i;35 assert(i != std::cregex_iterator());36 assert((*i).size() == 1);37 assert((*i).position() == 20);38 assert((*i).str() == "555-3456");39 ++i;40 assert(i == std::cregex_iterator());41 }42 43 return 0;44}45