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/dukesoferl/re2/ and on Hex (hex.pm).
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 (npmjs.com).
An OCaml wrapper is at https://github.com/janestreet/re2/ and on OPAM (opam.ocaml.org).
A Perl wrapper is at https://github.com/dgl/re-engine-RE2/ and on CPAN (cpan.org).
A Python wrapper is at https://github.com/facebook/pyre2/ and on PyPI (pypi.org).
An R wrapper is at https://github.com/qinwf/re2r/ and on CRAN (cran.r-project.org).
A Ruby wrapper is at https://github.com/mudge/re2/ and on RubyGems (rubygems.org).

[
  {
    "Name": "re2",
    "License": "BSD 3-Clause License",
    "License File": "LICENSE",
    "Version Number": "2019-12-01",
    "Upstream URL": "https://github.com/google/re2",
    "Description": "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."
  }
]