namespace-uri-from-QName function
The fn:namespace-uri-from-QName function returns the namespace URI part of an xs:QName value.
Syntax
- qualified-name
- The qualified name from which the namespace URI part is to be
retrieved.
qualified-name has the xs:QName data type, or is an empty sequence.
Returned value
If qualified-name is not the empty sequence, the value that is returned is an xs:string value that is the namespace URI part of qualified-name. If qualified-name is not in a namespace, a string of length 0 is returned. If qualified-name is the empty sequence, the empty sequence is returned.
Example
This function returns the string
value "http://www.mycompany.com":
fn:namespace-uri-from-QName(fn:QName("http://www.mycompany.com", "comp:employee"))