length
The length
method returns the length of the match. You can also retrieve the length of sub matches by specifying the submatch
parameter.
Syntax
length( [ submatch ] )
Arguments
Argument | Description |
---|---|
submatch
|
(number) The sub match to return the length of, starting at 1 for the first sub match. With the default value of 0 the length of the whole match is returned. |
Returns
(Number). The length of the sub match.