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- # is-regex <sup>[![Version Badge][2]][1]</sup>
- [![github actions][actions-image]][actions-url]
- [![coverage][codecov-image]][codecov-url]
- [![dependency status][5]][6]
- [![dev dependency status][7]][8]
- [![License][license-image]][license-url]
- [![Downloads][downloads-image]][downloads-url]
- [![npm badge][11]][1]
- Is this value a JS regex?
- This module works cross-realm/iframe, and despite ES6 @@toStringTag.
- ## Example
- ```js
- var isRegex = require('is-regex');
- var assert = require('assert');
- assert.notOk(isRegex(undefined));
- assert.notOk(isRegex(null));
- assert.notOk(isRegex(false));
- assert.notOk(isRegex(true));
- assert.notOk(isRegex(42));
- assert.notOk(isRegex('foo'));
- assert.notOk(isRegex(function () {}));
- assert.notOk(isRegex([]));
- assert.notOk(isRegex({}));
- assert.ok(isRegex(/a/g));
- assert.ok(isRegex(new RegExp('a', 'g')));
- ```
- ## Tests
- Simply clone the repo, `npm install`, and run `npm test`
- [1]: https://npmjs.org/package/is-regex
- [2]: https://versionbadg.es/inspect-js/is-regex.svg
- [5]: https://david-dm.org/inspect-js/is-regex.svg
- [6]: https://david-dm.org/inspect-js/is-regex
- [7]: https://david-dm.org/inspect-js/is-regex/dev-status.svg
- [8]: https://david-dm.org/inspect-js/is-regex#info=devDependencies
- [11]: https://nodei.co/npm/is-regex.png?downloads=true&stars=true
- [license-image]: https://img.shields.io/npm/l/is-regex.svg
- [license-url]: LICENSE
- [downloads-image]: https://img.shields.io/npm/dm/is-regex.svg
- [downloads-url]: https://npm-stat.com/charts.html?package=is-regex
- [codecov-image]: https://codecov.io/gh/inspect-js/is-regex/branch/main/graphs/badge.svg
- [codecov-url]: https://app.codecov.io/gh/inspect-js/is-regex/
- [actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/inspect-js/is-regex
- [actions-url]: https://github.com/inspect-js/is-regex/actions
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