JavaScript RegExp {x} Modifier
 Complete RegExp Object Reference
Definition and Usage
When the {x} modifier is set the regular expression finds a specific number
of the regular expression grouped together.
The characters inside the brackets must be a number.
Syntax
| Parameter |
Description |
| regexp |
Required. The rest of the regular expression to use |
Example
In the following code we will do a search for any substring with four digits:
var str = "100 or 1000?";
var patt1 = /\d{4}/;
|
The marked text below shows where the RegExp gets a match:
Try-It-Yourself Demos
{x}
How to use the "{x}" modifier to find a specific number of specified characters
grouped together using a string object.
Complete RegExp Object Reference
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