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isRegExp - util/types - Node documentation
function isRegExp

Usage in Deno

import { isRegExp } from "node:util/types";
isRegExp(object: unknown): object is RegExp

Returns true if the value is a regular expression object.

util.types.isRegExp(/abc/);  // Returns true
util.types.isRegExp(new RegExp('abc'));  // Returns true

Parameters

object: unknown

Return Type

object is RegExp