I wrote a regex script to recognize digits within round bracket so that the round brackets can be changed to square.
what i want is that it only grabs it if its a total of 4 digits (numbers) no more and no less... this is as far as i got...what needs to be added?
It currently grabs the brackets if the 1st position inside the brackets is a number...
(.+)(([0-9].+?))(.*)
$1[$2]$3