This is the source code repository for RE2, a regular expression library. For documentation about how to install and use RE2, visit http://code.google.com/p/re2/. The short version is: make make test make install make testinstall 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 Inferno wrapper is at http://code.google.com/p/inferno-re2/. A Python wrapper is at http://github.com/facebook/pyre2/. A Ruby wrapper is at http://github.com/axic/rre2/.