substring
The substring
function returns a part of a given string.
Syntax
substring(string, start) 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 ofstring
.
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
Gecko support
Supported.