Latest web development tutorials
 

JavaScript RegExp [0-9] Expression

< JavaScript RegExp Object

Example

Do a global search for the numbers 1, 2, 3 and 4 in a string:

var str = "123456789";
var patt1 = /[1-4]/g;

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

123456789
Try it Yourself »

Definition and Usage

The [0-9] expression is used to find any digit between the brackets.

The digits inside the brackets can be any numbers or span of numbers from 0 to 9.

Tip: Use the [^0-9] expression to find any digit NOT between the brackets.


Browser Support

Expression
[0-9] Yes Yes Yes Yes Yes

Syntax

new RegExp("[0-9]")

or simply:

/[0-9]/

Syntax with modifiers

new RegExp("[0-9]","g")

or simply:

/\[0-9]/g

More Examples

Example

Do a global search for the number "1" in a string:

var str = "12121212";
var patt1 = /[1]/g;

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

12121212
Try it Yourself »

< JavaScript RegExp Object