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JavaScript | RegExp \S Metacharacter
  • Last Updated : 22 Apr, 2019

The RegExp \S Metacharacter in JavaScript is used to find the non-whitespace characters. The whitespace character can be a space/tab/new line/vertical character. It is 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 matches the non-whitespace characters.




<!DOCTYPE html>
<html>
  
<head>
    <title>
        JavaScript RegExp \S Metacharacter
    </title>
</head>
  
<body style="text-align:center">
      
    <h1 style="color:green">
        GeeksforGeeks
    </h1>
      
    <h2>RegExp \S Metacharacter</h2>
      
    <p>
        Input String: GeeksforGeeks @ _123_ $
    </p>
      
    <button onclick="geek()">
        Click it!
    </button>
    <p id="app"></p>
      
    <script>
        function geek() {
            var str1 = "GeeksforGeeks @ _123_ $";
            var regex4 = /\S/g;
            var match4 = str1.match(regex4);
  
            document.getElementById("app").innerHTML = 
                    "Found " + match4.length
                    + " matches: " + match4;
        }
    </script>
</body>
  
</html>                    

Output:
Before Clicking the button:
backs
After Clicking the button:
backs

Example 2: This example matches the non-whitespace characters.




<!DOCTYPE html>
<html>
  
<head>
    <title>
        JavaScript RegExp \S Metacharacter
    </title>
</head>
  
<body style="text-align:center">
      
    <h1 style="color:green">
        GeeksforGeeks
    </h1>
      
    <h2>RegExp \S Metacharacter</h2>
      
    <p>Input String: Geeky@128</p>
      
    <button onclick="geek()">
        Click it!
    </button>
      
    <p id="app"></p>
      
    <script>
        function geek() {
        var str1 = "Geeky@128";         
            var regex4 = new RegExp("\\S", "g");
  
            var match4 = str1.match(regex4);
  
            document.getElementById("app").innerHTML = 
                    "Found " + match4.length
                    + " matches: " + match4;
        }
    </script>
</body>
  
</html>                    

Output:
Before Clicking the button:
backs
After Clicking the button:
backs

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

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



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