Model validation reference
==========================

This guide section doesn't describe how validation works but instead describes all Yii validators and their parameters.
In order to learn model validation basics please refer to [Model, Validation subsection](model.md#Validation).

Standard Yii validators
-----------------------

- `boolean`: [[BooleanValidator]]
- `captcha`: [[CaptchaValidator]]
- `compare`: [[CompareValidator]]
- `date`: [[DateValidator]]
- `default`: [[DefaultValueValidator]]
- `double`: [[NumberValidator]]
- `email`: [[EmailValidator]]
- `exist`: [[ExistValidator]]
- `file`: [[FileValidator]]
- `filter`: [[FilterValidator]]
- `in`: [[RangeValidator]]
- `integer`: [[NumberValidator]]
- `match`: [[RegularExpressionValidator]]
- `required`: [[RequiredValidator]]
- `string`: [[StringValidator]]
- `unique`: [[UniqueValidator]]
- `url`: [[UrlValidator]]

TBD: refer to http://www.yiiframework.com/wiki/56/ for the format