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;
Try it Yourself »
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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