FunctX XQuery Function Library > Strings > Contains >

functx:contains-case-insensitive

Whether one string contains another, without regard to case

Description

The functx:contains-case-insensitive function returns true if $substring is contained in $arg. It is case insensitive; it matches a word even if the case is different.

Arguments and Return Type

XQuery Function Declaration

declare namespace functx = "http://www.functx.com";
declare function functx:contains-case-insensitive
  ( $arg as xs:string? ,
    $substring as xs:string )  as xs:boolean? {

   contains(upper-case($arg), upper-case($substring))
 } ;

Examples

functx:contains-case-insensitive(
   'abcdef', 'def')

true

functx:contains-case-insensitive(
   'abcdEF', 'def')

true

See Also

History