​x
 
<!DOCTYPE html>
<html>
<body>
​
<h2>JavaScript Regular Expressions</h2>
​
<p id="demo"></p>
​
<script>
const obj = /e/.exec("The best things in life are free!");
document.getElementById("demo").innerHTML =
"Found " + obj[0] + " in position " + obj.index + " in the text: " + obj.input;
</script>
​
</body>
</html>
​