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RegExp {X} Quantifier

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

Browser Support

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

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

Chrome IE Edge Firefox Safari Opera
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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