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