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 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.