# is-regexp [![Build Status](https://travis-ci.org/sindresorhus/is-regexp.svg?branch=master)](https://travis-ci.org/sindresorhus/is-regexp) > Check whether a variable is a regular expression ## Install ```sh $ npm install --save is-regexp ``` ## Usage ```js var isRegexp = require('is-regexp'); isRegexp('unicorn'); //=> false isRegexp(/unicorn/); //=> true isRegexp(new RegExp('unicorn')); //=> true ``` ## License MIT © [Sindre Sorhus](http://sindresorhus.com)