| Name | Description | |
|---|---|---|
  | creditcard | Makes the element require a creditcard number. |
| date | Makes the element require a valid date. |
| dateISO | Makes the element require an ISO date. |
| digits | Makes the element require digits only. |
| Makes the element require a valid email. | |
| equalTo | Requires the element to be the same as another one. |
| max | Makes the element require a given maximum. |
| maxlength | Makes the element require a given maximum length. |
| min | Makes the element require a given minimum. |
| minlength | Makes the element require a given minimum length. |
| number | Makes the element require a decimal number. |
| range | Makes the element require a given value range. |
| rangelength | Makes the element require a given value range. |
| remote | Requests a resource to check the element for validity. |
| required | Makes the element always required. |
| url |