by moovweb

moovweb / rubex

Super Fast Regex in Go

211 Stars 33 Forks Last release: Not found MIT License 109 Commits 2.3K Releases

Available items

No Items, yet!

The developer of this repository has not created any items for sale yet. Need a bug fixed? Help with integration? A different license? Create a request here:

Rubex : Super Fast Regexp for Go

by Zhigang Chen ([email protected] or [email protected])


A simple regular expression library that supports Ruby's regexp syntax. It implements all the public functions of Go's Regexp package, except LiteralPrefix. By the benchmark tests in Regexp, the library is 40% to 10X faster than Regexp on all but one test. Unlike Go's Regrexp, this library supports named capture groups and also allow "\1" and "\k" in replacement strings.

The library calls the Oniguruma regex library (5.9.2, the latest release as of now) for regex pattern searching. All replacement code is done in Go. This library can be easily adapted to support the regex syntax used by other programming languages or tools, like Java, Perl, grep, and emacs.


First, ensure you have Oniguruma installed. On OS X with brew, its as simple as

brew install oniguruma

On Ubuntu...

sudo apt-get install libonig2

Now that we've got Oniguruma installed, we can install Rubex!

go install

Example Usage

import "rubex"

rxp := rubex.MustCompile("[a-z]*") if err != nil { // whoops } result := rxp.FindString("a me my") if result != "" { // FOUND A STRING!! YAY! Must be "a" in this instance } else { // no good }

We use cookies. If you continue to browse the site, you agree to the use of cookies. For more information on our use of cookies please see our Privacy Policy.