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# semver-regex [](https://travis-ci.org/sindresorhus/semver-regex)
> Regular expression for matching [semver](https://github.com/isaacs/node-semver) versions
## Install
```sh
$ npm install --save semver-regex
```
## Usage
```js
var semverRegex = require('semver-regex');
semverRegex().test('v1.0.0');
//=> true
semverRegex().test('1.2.3-alpha.10.beta.0+build.unicorn.rainbow');
//=> true
semverRegex().exec('unicorn 1.0.0 rainbow')[0];
//=> 1.0.0
'unicorn 1.0.0 and rainbow 2.1.3'.match(semverRegex());
//=> ['1.0.0', '2.1.3']
```
*It's a function so you can create multiple instances. Regexes with the global flag will have the `.lastIndex` property changed for each call to methods on the instance. Therefore reusing the instance with multiple calls will not work as expected for `.test()`.*
## License
MIT © [Sindre Sorhus](http://sindresorhus.com)