JavaScript RegExp {X,Y} Quantifier


Example

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

let text = "100, 1000 or 10000?";
let pattern = /\d{3,4}/g;
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Description

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

X and Y must be a number.

Browser Support

/n{X,Y}/ 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,Y}")

or simply:

/n{X,Y}/

Syntax with modifiers

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

or simply:

/n{X,Y}/g

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