replace

Replaces sequences of characters within a string that match a given regular expression

replace($input as xs:string?, $pattern as xs:string, $replacement as xs:string) ➔ xs:string

Arguments
	$input	xs:string?	The input string, parts of which are to be replaced
	$pattern	xs:string	The regular expression matching parts of the string that are to be replaced
	$replacement	xs:string	The replacement string
Result		xs:string

replace($input as xs:string?, $pattern as xs:string, $replacement as xs:string, $flags as xs:string) ➔ xs:string

Arguments
	$input	xs:string?	The input string, parts of which are to be replaced
	$pattern	xs:string	The regular expression matching parts of the string that are to be replaced
	$replacement	xs:string	The replacement string
	$flags	xs:string	Flags controlling how the regular expression is interpreted
Result		xs:string

Links to W3C specifications

Namespace: http://www.w3.org/2005/xpath-functions

Applies to: XPath 2.0, XSLT 2.0, XQuery 1.0 and later versions

XPath 2.0 Functions and Operators

XPath 3.0 Functions and Operators

Notes on the Saxon implementation

Saxon 9.3 introduces support for the q flag, and for XPath 3.0 regular expression enhancements, provided XPath 3.0 is enabled.

Saxon supports extended syntax for the flags argument: see the fn:matches function for details.