fn:substring-before

Returns that part of the given input string that occurs before the first occurrence of the string given in $arg2.

substring-before($arg1 as xs:string?, $arg2 as xs:string?) ➔ xs:string

Arguments

 

$arg1

xs:string?

The input string

 

$arg2

xs:string?

A substring of the input string; the function returns the part of the input string before this substring

Result

xs:string

substring-before($arg1 as xs:string?, $arg2 as xs:string?, $collation as xs:string) ➔ xs:string

Arguments

 

$arg1

xs:string?

The input string

 

$arg2

xs:string?

A substring of the input string; the function returns the part of the input string before this substring

 

$collation

xs:string

The collation to be used for comparing characters

Result

xs:string

Namespace

http://www.w3.org/2005/xpath-functions

Links to W3C specifications

XPath 2.0 Functions and Operators

XPath 3.0 Functions and Operators

XPath 3.1 Functions and Operators