(:**************************************************************:)
(: Test: functx-functx-contains-case-insensitive-all                                  :)
(: Written by: Priscilla Walmsley (Frans Englich is maintainer) :)
(: Date: 2008-05-16+02:00                                       :)
(:**************************************************************:)

declare namespace functx = "http://www.example.com/";
(:~
 : Whether one string contains another, without regard to case 
 :
 : @author  Priscilla Walmsley, Datypic 
 : @version 1.0 
 : @see     http://www.xqueryfunctions.com/xq/functx_contains-case-insensitive.html 
 : @param   $arg the string to search 
 : @param   $substring the substring to find 
 :) 
declare function functx:contains-case-insensitive 
  ( $arg as xs:string? ,
    $substring as xs:string )  as xs:boolean? {
       
   contains(upper-case($arg), upper-case($substring))
 } ;
(functx:contains-case-insensitive(
   'abcdef', 'def'), functx:contains-case-insensitive(
   'abcdEF', 'def'))