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functx:insert-string

Inserts a string at a specified position

Description

The functx:insert-string function inserts a string ($stringToInsert) into another string ($originalString) at a specified position (which is 1-based). If the position is greater than the length of $originalString, it concatenates $stringToInsert at the end.

Arguments and Return Type

XQuery Function Declaration

declare namespace functx = "http://www.functx.com";
declare function functx:insert-string
  ( $originalString as xs:string? ,
    $stringToInsert as xs:string? ,
    $pos as xs:integer )  as xs:string {

   concat(substring($originalString,1,$pos - 1),
             $stringToInsert,
             substring($originalString,$pos))
 } ;

Examples

functx:insert-string('xyz','def',2)

xdefyz

functx:insert-string('xyz','def',5)

xyzdef

functx:insert-string('xyz','',2)

xyz

functx:insert-string('','def',2)

def

See Also

History