RE2 is a fast, safe, thread-friendly alternative to backtracking regular expression engines like those used in PCRE, Perl, and Python. It is a C++ library.
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junyer
Make re2/re2.cc use the mutex, not atomic operations.
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This is to confine the use of atomic operations to re2/dfa.cc only, but also to make RE2::NumberOfCapturingGroups() consistent with its siblings. Change-Id: I236d4aa62dce6a397d795cd1fed775c51f605076 Reviewed-on: https://code-review.googlesource.com/3712 Reviewed-by: Paul Wankadia <junyer@google.com>
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README
This is the source code repository for RE2, a regular expression library. For documentation about how to install and use RE2, visit https://github.com/google/re2/. The short version is: make make test make install make testinstall More information can be found on the wiki: https://github.com/google/re2/wiki Issue tracker: https://github.com/google/re2/issues Mailing list: https://groups.google.com/group/re2-dev Unless otherwise noted, the RE2 source files are distributed under the BSD-style license found in the LICENSE file. RE2's native language is C++. An Erlang wrapper is at https://github.com/tuncer/re2/. An Inferno wrapper is at https://github.com/powerman/inferno-re2/. A Node.js wrapper is at https://github.com/uhop/node-re2/ and on NPM. An OCaml wrapper is at https://github.com/janestreet/re2/ and on OPAM. A Perl wrapper is at https://github.com/dgl/re-engine-RE2/ and on CPAN. A Python wrapper is at https://github.com/facebook/pyre2/. A Ruby wrapper is at https://github.com/axic/rre2/.