<html>
<body>
<h2>JavaScript Regular Expressions</h2>
<p>Search for an "e" in the next paragraph:</p>
<p id="p01">The best things in life are free!</p>
<p id="demo"></p>
<script>
let text = document.getElementById("p01").innerHTML;
const pattern = /e/;
document.getElementById("demo").innerHTML = pattern.test(text);
</script>
</body>
</html>