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XRegExp is an open source JavaScript Regular Expression library that provides an augmented, extensible, cross-browser implementation of regular expressions, including support for additional syntax, flags, and methods.

XRegExp is fully compliant with the regular expression flavor specified in ECMA-262 Edition 3 (ES3), and has been tested with Internet Explorer 5.5–8, Firefox 2–3.5, Safari 3–4, Chrome 1–2, and Opera 9. XRegExp uses feature detection—no browser sniffing.

This Open Source JavaScript Library is release under MIT License that means you can use it freely in your personal and commercial projects.

Website: http://xregexp.com/

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