There is a lot of string functions used in XQuery but here we are using the selected one.
A list of commonly used string manipulation functions of XQuery:
| Index | Name | Description | 
|---|---|---|
| 1) | string-length($string as xs:string) as xs:integer | It returns the length of the string. | 
| 2) | concat($input as xs:anyatomictype?) as xs:string | It returns the concatenated string as output. | 
| 3) | string-join($sequence as xs:string*, $delimiter as xs:string) as xs:string | It returns the combination of items in a sequence separated by a delimiter. | 
