The position method returns the position of the match in the string searched, where 1 refers to the first character in the string. You can also retrieve the position of sub matches by specifying the submatch parameter.
position( [ submatch ] )
| Argument | Description | 
|---|---|
| submatch | (number) The sub match to return the position of, starting at 1 for the first sub match. With the default value of 0 the position of the whole match is returned. | 
(Number). The position of the submatch as an index from 1.
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