The RegExp [^abc] Expression in JavaScript is used to search for any character which is not between the brackets. The character inside the brackets can be a single character or a span of characters.
- [A-Z]: It is used to match any character from uppercase A to uppercase Z.
- [a-z]: It is used to match any character from lowercase a to lowercase z.
- [A-z]: It is used to match any character from uppercase A to lowercase z.
- [abc…]: It is used to match any character between the brackets.
Syntax:Â
/[^abc]/
or
new RegExp("[^abc]")
Syntax with modifiers:
/\[^abc]/g
or
new RegExp("[^abc]", "g")
Example 1: This example searches the characters which are not present between [A-G] i.e uppercase A to uppercase G in the whole string.Â
Javascript
function geek() {Â Â Â Â let str1 = "GEEKSFORGEEKS is the computer "Â Â Â Â Â Â Â Â + "science portal for neveropen.";Â
    let regex4 = /[^A-Z]/g;    let match4 = str1.match(regex4);Â
    console.log("Found " + match4.length        + " matches: " + match4);}geek() |
Found 42 matches: ,i,s, ,t,h,e, ,c,o,m,p,u,t,e,r, ,s,c,i,e,n,c,e, ,p,o,r,t,a,l, ,f,o,r, ,g,e,e,k,s,.
Example 2: This example searches the characters which are not present between [a-g] i.e lowercase a to lowercase g in the whole string.Â
Javascript
function geek() {Â Â Â Â let str1 = "GEEKSFORGEEKS is the computer "Â Â Â Â Â Â Â Â + "science portal for neveropen.";Â
    let regex4 = /[^a-p]/g;    let match4 = str1.match(regex4);Â
    console.log("Found " + match4.length        + " matches: " + match4);}geek() |
Found 31 matches: G,E,E,K,S,F,O,R,G,E,E,K,S, ,s, ,t, ,u,t,r, ,s, ,r,t, ,r, ,s,.
Supported Browsers: The browsers supported by RegExp [^abc] Expression 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. Â
