I think the intuition is that a lot of these phone number come in ranges, so it would not be a regex but multiples? But yeah seems easier to just encode the ran

I think the intuition is that a lot of these phone number come in ranges, so it would not be a regex but multiples? But yeah seems easier to just encode the ranges, than some complex system to create the most minimal regex. edit: checked the comments of the original post and they apparently used perl to produce a 11kb regex.