normalize-space

The normalize-space() function removes leading and trailing whitespace from a string, and replaces internal sequences of whitespace with a single space character.

For example, the expression «normalize-space('x	 y ') » returns the string «x y » .

Argument	Data Type	Meaning
value (optional)	xs:string?	The input string. If the argument is omitted, it defaults to the string value of the context item
Result	xs:string	A string obtained by removing leading and trailing whitespace from the input string, and replacing internal sequences of whitespace by a single space character