JavaScript RegExp toString() Method

The RegExp toString() method is used to return the string value of the regular expression.

Following is the code for RegExp toString() method −


 Live Demo

<!DOCTYPE html>
<html lang="en">
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
body {
   font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
div {
   font-size: 20px;
   font-weight: 500;
<h1>JavaScript RegExp toString() method</h1>
<div class="sample">The quick brown fox jumps over the lazy dog</div>
<button class="Btn">CLICK HERE</button>
<div class="result"></div>
<h3>Click on the above button to get the string value of regular expression.</h3>
let fillEle = document.querySelector(".sample");
let result = document.querySelector(".result");
let regex = new RegExp("fox",'g');
document.querySelector(".Btn").addEventListener("click", () => {
   result.innerHTML = regex.toString();


On clicking the “CLICK HERE” button −