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Contents
# clone-regexp [](https://travis-ci.org/sindresorhus/clone-regexp)
> Clone and modify a [RegExp](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp) instance
## Install
```
$ npm install clone-regexp
```
## Usage
```js
const cloneRegexp = require('clone-regexp');
const regex = /[a-z]/gi;
cloneRegexp(regex);
//=> /[a-z]/gi
cloneRegexp(regex) === regex;
//=> false
cloneRegexp(regex, {global: false});
//=> /[a-z]/i
cloneRegexp(regex, {multiline: true});
//=> /[a-z]/gim
cloneRegexp(regex, {source: 'unicorn'});
//=> /unicorn/gi
```
## API
### cloneRegexp(regexp, [options])
#### regex
Type: `RegExp`
Regex to clone.
#### options
Type: `Object`<br>
Properties: [`source`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/source) [`global`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/global) [`ignoreCase`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/ignoreCase) [`multiline`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/multiline) [`dotAll`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/dotAll) [`sticky`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/sticky) [`unicode`](http://norbertlindenberg.com/2012/05/ecmascript-supplementary-characters/#RegExp) [`lastIndex`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/lastIndex)
Optionally modify the cloned `RegExp` instance.
## License
MIT © [Sindre Sorhus](https://sindresorhus.com)
Version data entries
24 entries across 24 versions & 1 rubygems