JavaScript RegExp \s Metacharacter

The RegExp \s Metacharacter in JavaScript is used to find the whitespace characters. The whitespace character can be a space/tab/new line/vertical character. It is the same as [ \t\n\r].
Syntax: 

/\s/ 

or 

new RegExp("\\s")

Syntax with modifiers:

/\s/g 

or  

new RegExp("\\s", "g")

Example 1: This example replaces the white spaces with dash.

html

<h1 style="color:green">
    GeeksforGeeks
</h1>

<h2>RegExp \s Metacharacter</h2>


<p>
    Input String: GeeksforGeeks is the computer
    science\nportal\tfor geeks.
</p>


<button onclick="geek()">
    Click it!
</button>

<p id="app"></p>


<script>
    function geek() {
        var regex = /\s/g;
        var replace = "-";
        var str = "GeeksforGeeks is the computer "
                + "science\nportal\tfor geeks.";
        var str1 = str.replace(regex, replace);
        document.getElementById("app")
                  .innerHTML ="The new string is: \n" + str1;
    }
</script>

Output:

 RegExp \s Metacharacter

Example 2: This example replaces all the white spaces with hash(#).

html

<h1 style="color:green">
    GeeksforGeeks
</h1>

<h2>RegExp \s Metacharacter</h2>


<p>
    Input String: Geeks Classes is a Classroom
    programme by GeeksforGeeks to enhance DSA.
</p>


<button onclick="geek()">
    Click it!
</button>

<p id="app"></p>


<script>
    function geek() {
        var regex = new RegExp("\\s", "g");
        var replace = "#";
        var str = "Geeks Classes is a Classroom "
                + "programme\nby GeeksforGeeks\tto"
                + " enhance DSA";
        var str1 = str.replace(regex, replace);
        document.getElementById("app").innerHTML = "The new string is: \n" + str1;
    }
</script>

Output:

 RegExp \s Metacharacter

Supported Browsers: The browsers supported by RegExp \s Metacharacter are listed below.

• Google Chrome
• Apple Safari
• Mozilla Firefox
• Opera
• Internet Explorer

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.