substring()

substring()

The substring function returns a part of a given string.

Syntax

substring( string , start [, length] )

Arguments

string

The string to evaluate.

start

The position within string the substring begins

length (optional)

The length of the substring. If omitted, the returned string will contain every character from the start position to the end of string.

Returns

A string.

Notes

As in other XPath functions, the position is not zero-based. The first character in the string has a position of 1, not 0.

Defined

XPath 1.0 4.2

Gecko support

Supported.