32 lines
477 B
Markdown
32 lines
477 B
Markdown
|
# is-regexp [](https://travis-ci.org/sindresorhus/is-regexp)
|
||
|
|
|
||
|
|
> Check whether a variable is a regular expression
|
||
|
|
|
||
|
|
|
||
|
|
## Install
|
||
|
|
|
||
|
|
```sh
|
||
|
|
$ npm install --save is-regexp
|
||
|
|
```
|
||
|
|
|
||
|
|
|
||
|
|
## Usage
|
||
|
|
|
||
|
|
```js
|
||
|
|
var isRegexp = require('is-regexp');
|
||
|
|
|
||
|
|
isRegexp('unicorn');
|
||
|
|
//=> false
|
||
|
|
|
||
|
|
isRegexp(/unicorn/);
|
||
|
|
//=> true
|
||
|
|
|
||
|
|
isRegexp(new RegExp('unicorn'));
|
||
|
|
//=> true
|
||
|
|
```
|
||
|
|
|
||
|
|
|
||
|
|
## License
|
||
|
|
|
||
|
|
MIT © [Sindre Sorhus](http://sindresorhus.com)
|