Check is a string follows snake case notation
npm install is-snake-case[![NPM version][npm-image]][npm-url]
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Verify given string follows snake case naming.
```
npm install is-snake-case --save
`javascript
var isSnakeCase = require('is-snake-case')
isSnakeCase('foo_bar') //=> true
isSnakeCase('foobar') //=> true
isSnakeCase('foo__bar') //=> false
isSnakeCase('Foo_bar') //=> false
``
MIT
[npm-image]: https://img.shields.io/npm/v/is-snake-case.svg?style=flat
[npm-url]: https://npmjs.org/package/is-snake-case
[downloads-image]: https://img.shields.io/npm/dm/is-snake-case.svg?style=flat
[downloads-url]: https://npmjs.org/package/is-snake-case
[travis-image]: https://img.shields.io/travis/sunitJindal/is-snake-case.svg?style=flat
[travis-url]: https://travis-ci.org/sunitJindal/is-snake-case
[coveralls-image]: https://img.shields.io/coveralls/sunitJindal/is-snake-case.svg?style=flat
[coveralls-url]: https://coveralls.io/github/sunitJindal/is-snake-case?branch=master