RegEx Test Domain
by TheFiddler
HTML
<button id="go">Check</button>
<div id="result">:</div>
JavaScript
$("#go").click(function() {
var thelink ="https://twitter";
var myWord = 'twitter'
var b = new RegExp('\\b' + myWord + '\\b', 'i');
var theresult = b.test(thelink)
$("#result").html('<p>' + theresult + '</p>');
});