JSFiddle - React, Tailwind, and code Playground

by praveen_jegan

JavaScript

var url = "http://www.somesite.com/dir1/dir2/filename.jar";
  var checkExt = /\.(jar)$/i.test(url);
  if (checkExt) {
      alert("Yup its a jar file");
  } else {
      alert("Nope");
  }