<html>
<body>
<h1>JavaScript Regular Expression</h1>
<h2>Using | as OR</h2>
<p>A global search for the red OR green:</p>
<p id="demo"></p>
<script>
let text = "re, green, red, green, gren, gr, blue, yellow";
let pattern = /(red|green)/g;
let result = text.match(pattern);
document.getElementById("demo").innerHTML = result;
</script>
</body>
</html>