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CSSStyleDeclaration JS Conversion


JavaScript RegExp [abc] Expression

❮ JavaScript RegExp Object

Example

Do a global search for the character "h" in a string:

var str = "Is this all there is?";
var patt1 = /[h]/g;
Try it Yourself »

Definition and Usage

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


Browser Support

Expression
[abc] Yes Yes Yes Yes Yes

Syntax

new RegExp("[abc]")

or simply:

/[abc]/

Syntax with modifiers

new RegExp("[abc]", "g")

or simply:

/[abc]/g


More Examples

Example

Do a global search for the characters "i" and "s" in a string:

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

Do a global search for the character-span from lowercase "a" to lowercase "h" in a string:

var str = "Is this all there is?";
var patt1 = /[a-h]/g;
Try it Yourself »

Example

Do a global search for the character-span from uppercase "A" to uppercase "E":

var str = "I SCREAM FOR ICE CREAM!";
var patt1 = /[A-E]/g;
Try it Yourself »

Example

Do a global search for the character-span from uppercase "A" to lowercase "e" (will search for all uppercase letters, but only lowercase letters from a to e.)

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

Example

Do a global, case-insensitive search for the character-span [a-s]:

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

Example

A demonstration of "g" and "gi"-search for characters:

var str = "THIS This this";
var patt1 = /[THIS]/g;

var str = "THIS This this";
var patt1 = /[THIS]/gi;
Try it Yourself »

❮ JavaScript RegExp Object