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# is-regexp [](https://travis-ci.org/sindresorhus/is-regexp) > Check if a value is a regular expression ## Install ``` $ npm install is-regexp ``` ## Usage ```js const isRegexp = require('is-regexp'); isRegexp('unicorn'); //=> false isRegexp(/unicorn/); //=> true isRegexp(new RegExp('unicorn')); //=> true ``` ## Related - [is](https://github.com/sindresorhus/is) - Type check values ## License MIT © [Sindre Sorhus](https://sindresorhus.com)