Replace-3

Example of replace with regex expression:

<!DOCTYPE html>
<html>
<head>
<title>Welcome to LearnKode - A code learning platform</title>
</head>
<body>
<script>
var regexp = /(\w+)\s(\w+)/;
var str = 'Michael Voughan';
var result= str.replace(regexp , '$2, $1');
document.write(result)
</script>

</body>
</html>

Output