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JavaScript RegExp toString() Method

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  • Last Updated : 06 Jan, 2023
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The RegExp toString() Method in JavaScript is used to return the string value of the regular expression.
Syntax:  

RegExpObject.toString()

Example 1: This example returns the string value of the regular expression.  

html




<h1 style="color:green">GeeksforGeeks</h1>
  
<h2>RegExp toString() Method</h2>
  
  
<p>Input: RegExp([a-c]", "gi")</p>
  
  
<button onclick="geek()">Click it!</button>
  
<p id="app"></p>
  
  
<script>
    function geek() {
        var regex = new RegExp("[a-c]", "gi");
        var rex = regex.toString();
        document.getElementById("app").innerHTML =
        "String Value: " + "<b>" + rex + "</b>";
    }
</script>

Output: 

JavaScript RegExp toString() Method

JavaScript RegExp toString() Method

Example 2: This example returns the string value of the regular expression. 

html




<h1 style="color:green">GeeksforGeeks</h1>
  
<h2>RegExp toString() Method</h2>
  
  
<p>Regular Expression: /[a-k]/g</p>
  
  
<button onclick="geek()">Click it!</button>
  
<p id="app"></p>
  
  
<script>
    function geek() {
        var regex = /[a-k]/g;
        var rex = regex.toString();
        document.getElementById("app").innerHTML =
        "String Value: " + "<b>" + rex + "</b>";
    }
</script>

Output: 

JavaScript RegExp toString() Method

JavaScript RegExp toString() Method

Supported Browsers: The browsers supported by RegExp toString() Method are listed below: 

  • Google Chrome 1 and above
  • Edge 12 and above
  • Firefox 1 and above
  • Internet Explorer 4 and above
  • Opera 5 and above
  • Safari 1 and above

We have a complete list of Javascript RegExp expressions, to check those please go through this JavaScript RegExp Complete Reference article.

We have a Cheat Sheet on Javascript where we covered all the important topics of Javascript to check those please go through Javascript Cheat Sheet-A Basic guide to JavaScript.  


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