| 이름 | 설명 |
|---|---|
| FilterInterface | interface to define a filter class |
| 이름 | 설명 |
|---|---|
| Alias | children class to filter alias |
| Boolean | children class to filter boolean |
| children class to filter email | |
| Html | children class to filter html |
| Path | children class to filter path |
| Special | children class to filter special |
| Url | children class to filter url |
