Usage

isRegExp(/abc/); // => true
isRegExp("abc"); // => false

Installation

CLI

npx atmx add helper is-reg-exp

Manually

Copy and paste the following method into @/utils/helpers/undefined.ts:

import { isTagged } from "@/helpers/is-tagged.ts";

/**
* Checks if the given value is a RegExp.
*
* Instances from [other realms][1] are also supported.
*
* [1]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/instanceof#instanceof_and_multiple_realms
*
* @example
* isRegExp(/abc/) // => true
* isRegExp('abc') // => false
*/
export function isRegExp(value: unknown): value is RegExp {
return isTagged(value, "[object RegExp]");
}