# validation

- [seeds 데이터 validation 스킵](/blog/undefined/rubyonrails/undefined-7/validation-1/seeds-validation.md)
- [validation 검사가 save, update, create 모든 경우에 일어난다](/blog/undefined/rubyonrails/undefined-7/validation-1/validation-save-update-create.md)
- [validator 클래스](/blog/undefined/rubyonrails/undefined-7/validation-1/validator.md)
- [커스텀Validation](/blog/undefined/rubyonrails/undefined-7/validation-1/validation.md): 너무 오랜만이다...
- [validates format(정규표현식)](/blog/undefined/rubyonrails/undefined-7/validation-1/validates-format.md)