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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Change-Id: I1e3b5a5779c105bd022aa7673ed2f09a331a363a
Reviewed-on: https://code-review.googlesource.com/23870
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lib/git Cleanup: Remove hg codereview extension. Apr 9, 2015
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CONTRIBUTING.md re2: more Gerrit+GitHub integration Nov 20, 2014
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LICENSE initial release Mar 3, 2010
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re2.pc Plumb more variables from Makefile to re2.pc. May 9, 2016
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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

There is a fair amount of documentation (including code snippets) in
the re2.h header file.

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++.

A C wrapper is at https://github.com/marcomaggi/cre2/.
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/.
An R wrapper is at https://github.com/qinwf/re2r/.
A Ruby wrapper is at https://github.com/mudge/re2/.