29 lines
885 B
C++
29 lines
885 B
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 dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <regex>
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// template <class charT, class traits = regex_traits<charT>> class basic_regex;
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// template <class ST, class SA>
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// basic_regex(const basic_string<charT, ST, SA>& s);
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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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using std::regex_constants::awk;
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assert(std::regex_match("\4", std::regex{"\\4", awk}));
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assert(std::regex_match("\41", std::regex{"\\41", awk}));
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assert(std::regex_match("\141", std::regex{"\\141", awk}));
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assert(std::regex_match("\1411", std::regex{"\\1411", awk}));
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}
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