JSFiddle - React, Tailwind, and code Playground

by toubia95

JavaScript

var selection = "125.45.26-27.2-3";
selection = selection.replace(/(\d{1,3}\.\d{1,3}\.)(\d{1,3})-(\d{1,3})(\.\d{1,3}(-\d{1,3})?)/ig, function(match, p1, p2, p3, p4, offset, string) {
            var i = (p2 < p3) ? p2 : p3;
            var j = (p3 > p2) ? p3 : p2;
            var k = [];
            while (i <= j) {
              k.push(p1 + i + p4);
              i++;
            }
            return k.join("\n");
          });
          alert(selection);
          selection = selection.replace(/(\d{1,3}\.\d{1,3}\.\d{1,3}\.)(\d{1,3})-(\d{1,3})/igm, function(match, p1, p2, p3, p4, offset, string) {
            var i = (p2 < p3) ? p2 : p3;
            var j = (p3 > p2) ? p3 : p2;
            var k = [];
            while (i <= j) {
              k.push(p1 + i);
              i++;
            }
            return k.join("\n");
          })
          .split("\n");
          alert(selection);