JSFiddle - React, Tailwind, and code Playground

by aabanaag

JavaScript

var pattern = /((ftp|http|https):\/\/)?(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?/;

var result = "www.gmail.com";

if (!pattern.test(result)) {
    console.log("test");
}else{
    console.log("fail");
}