| Attributes |
| Name | Required | Request-time | Type | Description |
| type | false | false | java.lang.String | The type of validator associated with this tag |
| min | false | false | java.lang.String | The minimum valid value |
| max | false | false | java.lang.String | The maximum valid value |
| minlength | false | false | java.lang.String | The minimum valid length of the field |
| maxlength | false | false | java.lang.String | The maximum valid length of the field |
| mask | false | false | java.lang.String | A regular expression to which the value must conform |
| datePatternStrict | false | false | java.lang.String | A date pattern using syntax defined in java.text.SimpleDateFormat |
| message | false | false | java.lang.String | A message displayed when validation fails |
| arg | false | false | java.lang.String | A value that's plugged into the message |
| client | false | false | java.lang.String | If true, validation is performed on the client |
| server | false | false | java.lang.String | If true, validation is performed on the server |