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JavaScript RegExp {X} Quantifier

❮ JavaScript RegExp Object

Example

Do a global search for a substring that contains a sequence of four digits:

var str = "100, 1000 or 10000?";
var patt1 = /\d{4}/g;

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

100, 1000 or 10000?
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Definition and Usage

The n{X} quantifier matches any string that contains a sequence of X n's.

X must be a number.


Browser Support

Expression
{X} Yes Yes Yes Yes Yes

Syntax

new RegExp("n{X}")

or simply:

/n{X}/

Syntax with modifiers

new RegExp("n{X}","g")

or simply:

/\n{X}/g

❮ JavaScript RegExp Object