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JavaScript RegExp [^abc] Expression

< JavaScript RegExp Object

Example

Do a global search for characters that are NOT inside the brackets [h]:

var str = "Is this all there is?";
var patt1 = /[^h]/g;

The marked text below shows where the expression gets a match:

Is this all there is?
Try it Yourself »

Definition and Usage

The [^abc] expression is used to find any character NOT between the brackets.

The characters inside the brackets can be any characters or span of characters:

  • [abcde..] - Any character between the brackets
  • [A-Z] - Any character from uppercase A to uppercase Z
  • [a-z] - Any character from lowercase a to lowercase z
  • [A-z ]- Any character from uppercase A to lowercase z

Tip: Use the [abc] expression to find any character between the brackets.


Browser Support

Expression
[^abc] Yes Yes Yes Yes Yes

Syntax

new RegExp("[^xyz]")

or simply:

/[^xyz]/

Syntax with modifiers

new RegExp("[^xyz]","g")

or simply:

/\[^xyz]/g

More Examples

Example

Do a global search for characters that are NOT "i" and "s" in a string:

var str = "Do you know if this is all there is?";
var patt1 = /[^is]/gi;

The marked text below shows where the expression gets a match:

Do you know if this is all there is?
Try it Yourself »

Example

Do a global search for the character-span NOT from lowercase "a" to lowercase "h" in a string:

var str = "Is this all there is?";
var patt1 = /[^a-h]/g;

The marked text below shows where the expression gets a match:

Is this all there is?
Try it Yourself »

Example

Do a global search for the character-span NOT from uppercase "A" to uppercase "E":

var str = "I SCREAM FOR ICE CREAM!";
var patt1 = /[^A-E]/g;

The marked text below shows where the expression gets a match:

I SCREAM FOR ICE CREAM!
Try it Yourself »

Example

Do a global search for the character-span NOT from uppercase "A" to lowercase "e":

var str = "I Scream For Ice Cream, is that OK?!";
var patt1 = /[^A-e]/g;

The marked text below shows where the expression gets a match:

I Scream For Ice Cream, is that OK?!
Try it Yourself »

Example

Do a global, case-insensitive search for the character-span that's NOT [a-s]:

var str = "I Scream For Ice Cream, is that OK?!";
var patt1 = /[^a-s]/gi;

The marked text below shows where the expression gets a match:

I Scream For Ice Cream, is that OK?!
Try it Yourself »

< JavaScript RegExp Object