A RESTful browser for eXist Java-Based Function Modules

http://exist-db.org/xquery/text

A module for text searching extension functions.

text:filter($text as xs:string, $regularexpression as xs:string) xs:string*

Filter substrings that match the regular expression in the text.

$text	The text to filter
$regularexpression	The regular expression to perform against the text

Returns the substrings

Open Source Native XML Database