JavaScript RegExp {X} Quantifier


Example

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

let text = "100, 1000 or 10000?";
let pattern = /\d{4}/g;
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Description

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

X must be a number.

Browser Support

/n{X}/ is an ECMAScript1 (ES1) feature.

ES1 (JavaScript 1997) is fully supported in all browsers:

Chrome Edge Firefox Safari Opera IE
Yes 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

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