RegExp [0-9] Expression

# 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

The [0-9] expression is supported in all major browsers.

## 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

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