| Enum | Description | 
|---|---|
| ValidatorType | ValidatorType | 
| Annotation Type | Description | 
|---|---|
| ConditionalVisitorFieldValidator | |
| ConversionErrorFieldValidator | This validator checks if there are any conversion errors for a field and applies them if they exist. | 
| CreditCardValidator | This validator checks that a field is a valid credit card. | 
| CustomValidator | This annotation can be used for custom validators. | 
| DateRangeFieldValidator | This validator checks that a date field has a value within a specified range. | 
| DoubleRangeFieldValidator | This validator checks that a double field has a value within a specified range. | 
| EmailValidator | This validator checks that a field is a valid e-mail address if it contains a non-empty String. | 
| ExpressionValidator | This non-field level validator validates a supplied regular expression. | 
| FieldExpressionValidator | This validator uses an OGNL expression to perform its validator. | 
| IntRangeFieldValidator | This validator checks that a numeric field has a value within a specified range. | 
| LongRangeFieldValidator | This validator checks that a numeric field has a value within a specified range. | 
| RegexFieldValidator | Validates a string field using a regular expression. | 
| RequiredFieldValidator | This validator checks that a field is non-null. | 
| RequiredStringValidator | This validator checks that a String field is not empty (i.e. | 
| ShortRangeFieldValidator | This validator checks that a numeric field has a value within a specified range. | 
| StringLengthFieldValidator | This validator checks that a String field is of the right length. | 
| UrlValidator | This validator checks that a field is a valid URL. | 
| ValidationParameter | The ValidationParameter annotation is used as a parameter for CustomValidators. | 
| Validations | |
| VisitorFieldValidator | The validator allows you to forward validator to object properties of your action
 using the objects own validator files. | 
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