substring
The substring function returns a part of a given string.
Syntax
substring(string, start) substring(string, start, length)
Parameters
string-
The string to evaluate.
start-
The position within
stringthe substring begins lengthOptional-
The length of the substring. If omitted, the returned string will contain every character from the
startposition to the end ofstring.
Return value
A string.
Description
As in other XPath functions, the position is not zero-based. The first character in the string has a position of 1, not 0.
Specifications
Gecko support
Supported.