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# detect-newline [](https://travis-ci.org/sindresorhus/detect-newline) > Detect the dominant newline character of a string ## Install ``` $ npm install --save detect-newline ``` ## Usage ```js const detectNewline = require('detect-newline'); detectNewline('foo\nbar\nbaz\r\n'); //=> '\n' ``` ## API ### detectNewline(input) Returns detected newline or `null` when no newline character is found. ### detectNewline.graceful(input) Returns detected newline or `\n` when no newline character is found. ## Related - [detect-newline-cli](https://github.com/sindresorhus/detect-newline-cli) - CLI for this module - [detect-indent](https://github.com/sindresorhus/detect-indent) - Detect the indentation of code ## License MIT © [Sindre Sorhus](http://sindresorhus.com)