FunctX XQuery Functions

FunctX XQuery Function Library > Strings > Indexes >

functx:index-of-string-last

The last position of a substring

Description

The functx:index-of-string-last function returns an integer representing the last position of $substring within $arg. If $arg does not contain $substring, the empty sequence is returned.

Arguments and Return Type

Name	Type	Description
`$arg`	`xs:string?`	the string
`$substring`	`xs:string`	the substring to find
return value	`xs:integer?`

XQuery Function Declaration

See XSLT definition.

declare namespace functx = "http://www.functx.com";
declare function functx:index-of-string-last
  ( $arg as xs:string? ,
    $substring as xs:string )  as xs:integer? {

  functx:index-of-string($arg, $substring)[last()]
 } ;