Saxon Documentation

Full Contents

About Saxon

Changes in this Release

Notices

Using XSLT 2.0

Using XQuery

Handling Source Documents

XML Schema Processing

XPath API for Java

Saxon on .NET

Extensibility

Saxon Extensions

Sample Saxon Applications

The Saxon SQL Extension

XSLT Elements

XPath 2.0 Expression Syntax

Function Library

Standards Conformance

fn:substring-before

fn:substring-before( string? $operand1, string? $operand2) → string?

Function signature

$operand1	xs:string ?
$operand2	xs:string ?
Result	xs:string ?

Returns that part of the given input string that occurs before the first occurrence of the string given in $operand2

XPath 2.0 Specification

fn:substring-before( string? $operand1, string? $operand2, anyURI $collation) → string?

Function signature

$operand1	xs:string ?
$operand2	xs:string ?
$collation	xs:string
Result	xs:string ?

Returns that part of the given input string that occurs before the first occurrence of the string given in $operand2, using the given collation to compare strings

XPath 2.0 Specification