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RegExp.prototype.flags <sup>[![Version Badge][npm-version-svg]][package-url]</sup> [![Build Status][travis-svg]][travis-url] [![dependency status][deps-svg]][deps-url] [![dev dependency status][dev-deps-svg]][dev-deps-url] [![License][license-image]][license-url] [![Downloads][downloads-image]][downloads-url] [![npm badge][npm-badge-png]][package-url] [![browser support][testling-svg]][testling-url] An ES6 spec-compliant `RegExp.prototype.flags` shim. Invoke its "shim" method to shim RegExp.prototype.flags if it is unavailable. *Note*: `RegExp#flags` requires a true ES5 environment - specifically, one with ES5 getters. This package implements the [es-shim API](https://github.com/es-shims/api) interface. It works in an ES5-supported environment and complies with the [spec](http://www.ecma-international.org/ecma-262/6.0/#sec-get-regexp.prototype.flags). Most common usage: ```js var flags = require('regexp.prototype.flags'); assert(flags(/a/) === ''); assert(flags(new RegExp('a') === ''); assert(flags(/a/mig) === 'gim'); assert(flags(new RegExp('a', 'mig')) === 'gim'); if (!RegExp.prototype.flags) { flags.shim(); } assert(flags(/a/) === /a/.flags); assert(flags(new RegExp('a') === new RegExp('a').flags); assert(flags(/a/mig) === /a/mig.flags); assert(flags(new RegExp('a', 'mig')) === new RegExp('a', 'mig').flags); ``` ## Tests Simply clone the repo, `npm install`, and run `npm test` [package-url]: https://npmjs.com/package/regexp.prototype.flags [npm-version-svg]: http://versionbadg.es/es-shims/RegExp.prototype.flags.svg [travis-svg]: https://travis-ci.org/es-shims/RegExp.prototype.flags.svg [travis-url]: https://travis-ci.org/es-shims/RegExp.prototype.flags [deps-svg]: https://david-dm.org/es-shims/RegExp.prototype.flags.svg [deps-url]: https://david-dm.org/es-shims/RegExp.prototype.flags [dev-deps-svg]: https://david-dm.org/es-shims/RegExp.prototype.flags/dev-status.svg [dev-deps-url]: https://david-dm.org/es-shims/RegExp.prototype.flags#info=devDependencies [testling-svg]: https://ci.testling.com/es-shims/RegExp.prototype.flags.png [testling-url]: https://ci.testling.com/es-shims/RegExp.prototype.flags [npm-badge-png]: https://nodei.co/npm/regexp.prototype.flags.png?downloads=true&stars=true [license-image]: http://img.shields.io/npm/l/regexp.prototype.flags.svg [license-url]: LICENSE [downloads-image]: http://img.shields.io/npm/dm/regexp.prototype.flags.svg [downloads-url]: http://npm-stat.com/charts.html?package=regexp.prototype.flags