How to insert correctly variables phone and phone_digs in Match so that it is like this:

s.match ('/' '+ Phone +' [0-9] {5} '+ phone_digs +' / g ')

This way, unfortunately, does not work.

Answer 1, Authority 100%

Create a new site Regexp

var pattern = new regExp (Phone + '[0-9] {5}' + Phone_Digs, G);
Console.log (S.Match (Pattern));