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. Available for all platforms.