filter

Returns those items from the sequence $seq for which the supplied function $f returns true.

filter($f as function(item()) as xs:boolean, $seq as item()*) → item()*

Arguments
	$f	function(item()) as xs:boolean	The filtering function (used to test each item in the sequence
	$seq	item()*	The sequence to be filtered
Result		item()*

Links to W3C specifications

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

Applies to: XPath 3.0, XSLT 3.0, XQuery 3.0 (if enabled in Saxon: requires Saxon-PE or Saxon-EE)

XPath 3.0 Functions and Operators

Notes on the Saxon implementation

Newly implemented in Saxon 9.3. Requires XPath 3.0 to be enabled.

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