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 3.1 Functions and Operators
Saxon availability
Available in XPath 2.0, XSLT 2.0, XQuery 1.0, and later versions. Available in all Saxon editions.