42 lines
1.3 KiB
C++
42 lines
1.3 KiB
C++
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//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <regex>
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// class regex_iterator<BidirectionalIterator, charT, traits>
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// const value_type& operator*() const;
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#include <regex>
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#include <cassert>
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int main()
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{
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{
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std::regex phone_numbers("\\d{3}-\\d{4}");
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const char phone_book[] = "555-1234, 555-2345, 555-3456";
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std::cregex_iterator i(std::begin(phone_book), std::end(phone_book), phone_numbers);
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assert(i != std::cregex_iterator());
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assert((*i).size() == 1);
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assert((*i).position() == 0);
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assert((*i).str() == "555-1234");
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++i;
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assert(i != std::cregex_iterator());
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assert((*i).size() == 1);
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assert((*i).position() == 10);
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assert((*i).str() == "555-2345");
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++i;
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assert(i != std::cregex_iterator());
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assert((*i).size() == 1);
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assert((*i).position() == 20);
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assert((*i).str() == "555-3456");
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++i;
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assert(i == std::cregex_iterator());
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}
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}
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