# Lowercase

- `Lowercase()`

Validates whether the characters in the input are lowercase.

```php
v::stringType()->lowercase()->validate('xkcd'); // true
```

## Categorization

- Strings

## Changelog

Version | Description
--------|-------------
  0.3.9 | Created

***
See also:

- [Alnum](Alnum.md)
- [Alpha](Alpha.md)
- [Uppercase](Uppercase.md)