JavaScript RegExp [^0-9] Expression
The RegExp [^0-9] Expression in JavaScript is used to search any digit which is not between the brackets. The character inside the brackets can be a single digit or a span of digits.
Example: Finding non-digit characters from given string
const regex = /[^0-9]/g;
const str = "Hello123Geeks";
const result = str.match(regex);
console.log(result);
Output
[ 'H', 'e', 'l', 'l', 'o', 'G', 'e', 'e', 'k', 's' ]
Syntax
/[^0-9]/
// or
new RegExp("[^0-9]")
Syntax with modifiers
/[^0-9]/g
// or
new RegExp("[^0-9]", "g")
Example 1: Searching the digits which are not present between [0-4] in the given string.
let str = "123456790";
let regex = /[^0-4]/g;
let match = str.match(regex);
console.log("Found " + match.length
+ " matches: " + match);
Output
Found 4 matches: 5,6,7,9
Example 2: Searching the digits which are not present between [0-9] in the given string and replaces the characters with hash(#).
let str = "128@$%";
let replacement = "#";
let regex = new RegExp("[^0-9]", "g");
let match = str.replace(regex, replacement);
console.log("Found " + match.length
+ " matches: " + match);
Output
Found 6 matches: 128###
Supported Browsers
- Chrome
- Edge
- Safari
- Firefox
- Opera
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.
