JSFiddle - React, Tailwind, and code Playground

JavaScript

var code  = "AA681EBC64F642B1AFA95EE2A5D87350";
var test  = "AA681EBC-64F6-42B1-AFA9-5EE2A5D87350"
var fCode = code.substring(0, 8) + "-" + code.substring(8, 12) + "-" + code.substring(12, 16) + "-" + code.substring(16, 20) + "-" + code.substring(20);

// test
console.log(test === fCode);