# path-root-regex [](https://www.npmjs.com/package/path-root-regex) [](https://npmjs.org/package/path-root-regex) [](https://travis-ci.org/regexhq/path-root-regex) > Regular expression for getting the root of a posix or windows filepath. You might also be interested in [path-root](https://github.com/jonschlinkert/path-root). ## Usage The module exposes a function that must be called to get the regex (modified from the split device regex in the node.js path module); ```js var pathRootRegex = require('path-root-regex'); console.log(pathRootRegex() instanceof RegExp); //=> true ``` See the [path-root](https://github.com/jonschlinkert/path-root) module for examples. ## Related projects You might also be interested in these projects: * [is-absolute](https://www.npmjs.com/package/is-absolute): Polyfill for node.js `path.isAbolute`. Returns true if a file path is absolute. | [homepage](https://github.com/jonschlinkert/is-absolute) * [parse-filepath](https://www.npmjs.com/package/parse-filepath): Parse a filepath into an object. Falls back on the native node.js `path.parse` method if… [more](https://www.npmjs.com/package/parse-filepath) | [homepage](https://github.com/jonschlinkert/parse-filepath) ## Contributing Pull requests and stars are always welcome. For bugs and feature requests, [please create an issue](https://github.com/jonschlinkert/path-root-regex/issues/new). ## Running tests Install dev dependencies: ```sh $ npm install -d && npm test ``` ## Author **Jon Schlinkert** * [github/jonschlinkert](https://github.com/jonschlinkert) * [twitter/jonschlinkert](http://twitter.com/jonschlinkert) ## License Copyright © 2016, [Jon Schlinkert](https://github.com/jonschlinkert). Released under the [MIT license](https://github.com/regexhq/path-root-regex/blob/master/LICENSE). *** _This file was generated by [verb](https://github.com/verbose/verb), v, on March 29, 2016._