X
HOME HTML CSS JAVASCRIPT SQL PHP JQUERY ANGULAR XML ASP.NET MORE...
REFERENCES | EXAMPLES | FORUM | ABOUT

JavaScript RegExp [abc] Expression

RegExp Object Reference 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;

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 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

Internet Explorer Firefox Opera Google Chrome Safari

The [abc] expression is supported in all major browsers.


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;

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 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 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 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;

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 [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 »

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 »


RegExp Object Reference JavaScript RegExp Object

Your suggestion:

Close [X]

Thank You For Helping Us!

Your message has been sent to W3Schools.

Close [X]
Search w3schools.com:

WEB HOSTING

UK Reseller Hosting

WEB BUILDING

Download XML Editor FREE Website BUILDER Free HTML5 Templates FREE Website Templates Free HTML Templates

SHARE THIS PAGE

facebook