---
title: Regular expressions (regexp)
slug: Web/EXSLT/regexp
tags:
  - EXSLT
  - Overview
  - Reference
---
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The EXSLT Regular Expressions package provides functions that allow testing, matching, and replacing text using JavaScript style regular expressions. The namespace for the Regular Expressions package is `http://exslt.org/regular-expressions`.

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## Browser compatibility

{{Compat("xslt.exslt.regexp")}}
