# has-ansi [![Build Status](https://travis-ci.org/sindresorhus/has-ansi.svg?branch=master)](https://travis-ci.org/sindresorhus/has-ansi) > Check if a string has [ANSI escape codes](http://en.wikipedia.org/wiki/ANSI_escape_code) ## Install ``` $ npm install --save has-ansi ``` ## Usage ```js var hasAnsi = require('has-ansi'); hasAnsi('\u001b[4mcake\u001b[0m'); //=> true hasAnsi('cake'); //=> false ``` ## Related - [has-ansi-cli](https://github.com/sindresorhus/has-ansi-cli) - CLI for this module - [strip-ansi](https://github.com/sindresorhus/strip-ansi) - Strip ANSI escape codes - [ansi-regex](https://github.com/sindresorhus/ansi-regex) - Regular expression for matching ANSI escape codes - [chalk](https://github.com/sindresorhus/chalk) - Terminal string styling done right ## License MIT © [Sindre Sorhus](http://sindresorhus.com)