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<body>
<h1>JavaScript Regular Expressions</h1>
<h2>The d modifier</h2>
<p>Match all that starts or ends with aa or bb:</p>
<p id="demo"></p>
<script>
let text = "aaaabb";
let result = text.match(/(aa)(bb)/d);
document.getElementById("demo").innerHTML = result;
</script>
</body>
</html>