is-uuid/README.md

UUID check for Node and the browser

# is-uuid
UUID check for node and the browser

## Usage

### Specific UUID version
```js
const isUUID = require('is-uuid');

isUUID.v1('857b3f0a-a777-11e5-bf7f-feff819cdc9f'); // true
isUUID.v2('9a7b330a-a736-21e5-af7f-feaf819cdc9f'); // true
isUUID.v3('0a7b330a-a736-35ea-8f7f-feaf019cdc00'); // true
isUUID.v4('c51c80c2-66a1-442a-91e2-4f55b4256a72'); // true
isUUID.v5('5a2de30a-a736-5aea-8f7f-ad0f019cdc00'); // true
```

### Any non-nil UUID version
```js
// returns true for v1 - v5 UUID. Will return false for nil UUID
isUUID.anyNonNil('c51c80c2-66a1-442a-91e2-4f55b4256a72'); // true
```

### Nil UUID check
```js
// returns true for nil UUID
isUUID.nil('00000000-0000-0000-0000-000000000000'); // true
```