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JavaScript RegExp {X,Y} Quantifier

RegExp Object Reference JavaScript RegExp Object

Example

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

var str = "100, 1000 or 10000?";
var patt1 = /\d{3,4}/g;

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

100, 1000 or 10000?

Try it yourself »


Definition and Usage

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

Internet Explorer Firefox Opera Google Chrome Safari

The {X,Y} quantifier is supported in all major browsers.


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


RegExp Object Reference JavaScript RegExp Object

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