45 lines
936 B
Markdown
45 lines
936 B
Markdown
# is-regexp
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> Check if a value is a regular expression
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## Install
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```
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$ npm install is-regexp
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```
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## Usage
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```js
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import isRegexp from 'is-regexp';
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isRegexp('unicorn');
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//=> false
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isRegexp(/unicorn/);
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//=> true
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isRegexp(new RegExp('unicorn'));
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//=> true
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```
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## FAQ
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#### [Why not just use `instanceof` instead of this package?](https://github.com/sindresorhus/is#why-not-just-use-instanceof-instead-of-this-package)
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## Related
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- [is](https://github.com/sindresorhus/is) - Type check values
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---
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<div align="center">
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<b>
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<a href="https://tidelift.com/subscription/pkg/npm-is-regexp?utm_source=npm-is-regexp&utm_medium=referral&utm_campaign=readme">Get professional support for this package with a Tidelift subscription</a>
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</b>
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<br>
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<sub>
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Tidelift helps make open source sustainable for maintainers while giving companies<br>assurances about security, maintenance, and licensing for their dependencies.
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</sub>
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</div>
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