_Added in 1.9.0_

*$didreg([name],id,regex,[N])*

Returns the number of the line that matches the [[Scripting_Regex|regular expression]], with the search starting at line N.

*Parameters*

table(ktable).
|*Parameter*|*Description*|
| [name] | If specified, name of the dialog otherwise [[$dname]] from the current [[Scripting_Events<notextile>|</notextile>event]] is used. (optional) |
| id | Id of the dialog item. |
| regex | The [[Scripting_Regex<notextile>|</notextile>regular expression]] to perform. |
| [N] | If N = 0, number of matches, otherwise the Nth match. (optional) |