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 ishttp://exslt.org/regular-expressions.

regexp:match()

regexp:match() performs regular expression matching on a string, returning the submatches found as a result.

regexp:replace()

regexp:replace() replaces the portions of a string that match a given regular expression with the contents of another string.

regexp:test()

regexp:test() tests to see whether a string matches a specified regular expression.