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JavaScript RegExp \D Metacharacter

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The RegExp \D Metacharacter in JavaScript is used to search non-digit characters i.e all the characters except digits. It is the same as [^0-9]. 

Syntax: 

/\D/ 
or
new RegExp("\\D")

or



Syntax with modifiers:

/\D/g 
or
new RegExp("\\D", "g")

Examples of RegExp \D Metacharacter in JavaScript

Example 1: This example searches the non-digit characters in the whole string. 

Javascript




function geek() {
    let str1 = "GeeksforGeeks@_123_$";
    let regex4 = /\D/g;
    let match4 = str1.match(regex4);
 
    console.log("Found " + match4.length
        + " matches: " + match4);
}
geek()


Output

Found 17 matches: G,e,e,k,s,f,o,r,G,e,e,k,s,@,_,_,$

Example 2: This example searches the non digit characters in the string. 

Javascript




function geek() {
    let str1 = "Geeky@128";
    let regex4 = new RegExp("\\D", "g");
    let match4 = str1.match(regex4);
 
    console.log("Found " + match4.length
        + " matches: " + match4);
}
geek()


Output

Found 6 matches: G,e,e,k,y,@

Difference between \d and \D

Character Type

\d Matches

\D Matches

Digits (0-9)

Yes

No

Digits (0-9)

No

Yes

Symbols (@, #, $, etc.)

No

Yes

Whitespace (spaces, tabs, newlines)

No

Yes

Supported Browsers: The browsers supported by RegExp \D 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.  



Last Updated : 11 Mar, 2024
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