Function right

right(text?, length?): string | undefined | null
Returns the rightmost length characters of the given string
Parameters
- Optionaltext: null | string
  the text to inspect
- Optionallength: number
  the expected length
Returns string | undefined | null
the rightmost length characters of the given string
Example
```
right('foobar', 3);    // 'bar'
right('foobar', 10);    // 'foobar'
```