Added in 1.9.0
$didreg([name],id,regex,[N])
Returns the number of the line that matches the regular expression, with the search starting at line N.
Parameters
| Parameter | Description |
| [name] | If specified, name of the dialog otherwise $dname from the current event is used. (optional) |
| id | Id of the dialog item. |
| regex | The regular expression to perform. |
| [N] | If N = 0, number of matches, otherwise the Nth match. (optional) |