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+// Copyright 2015 Google Inc. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#ifndef BENCHMARK_RE_H_
+#define BENCHMARK_RE_H_
+
+#if defined(HAVE_STD_REGEX)
+#include <regex>
+#elif defined(HAVE_GNU_POSIX_REGEX)
+#include <gnuregex.h>
+#elif defined(HAVE_POSIX_REGEX)
+#include <regex.h>
+#else
+#error No regular expression backend was found!
+#endif
+#include <string>
+
+namespace benchmark {
+
+// A wrapper around the POSIX regular expression API that provides automatic
+// cleanup
+class Regex {
+ public:
+ Regex();
+ ~Regex();
+
+ // Compile a regular expression matcher from spec. Returns true on success.
+ //
+ // On failure (and if error is not nullptr), error is populated with a human
+ // readable error message if an error occurs.
+ bool Init(const std::string& spec, std::string* error);
+
+ // Returns whether str matches the compiled regular expression.
+ bool Match(const std::string& str);
+ private:
+ bool init_;
+ // Underlying regular expression object
+#if defined(HAVE_STD_REGEX)
+ std::regex re_;
+#elif defined(HAVE_POSIX_REGEX) || defined(HAVE_GNU_POSIX_REGEX)
+ regex_t re_;
+#else
+# error No regular expression backend implementation available
+#endif
+};
+
+} // end namespace benchmark
+
+#endif // BENCHMARK_RE_H_