regexp

@nick/is/regexp

isRegExp

Signature

function isRegExp(it: unknown): it is RegExp;

Check if the given value is a regular expression, which is an object that represents a pattern of text that can be used to perform pattern matching with strings.

Parameters

Name	Info
it	The value to check.

Returns

true if the value is a regular expression, false otherwise.

Category

Standard

Examples

import { isRegExp } from "jsr:@nick/is/regexp";

const regex = /foo/;
console.log(isRegExp(regex)); // true
console.log(isRegExp("foo")); // false