> For the complete documentation index, see [llms.txt](https://simian114.gitbook.io/blog/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://simian114.gitbook.io/blog/undefined/rubyonrails/undefined-7/validation-1.md).

# validation

- [seeds 데이터 validation 스킵](https://simian114.gitbook.io/blog/undefined/rubyonrails/undefined-7/validation-1/seeds-validation.md)
- [validation 검사가 save, update, create 모든 경우에 일어난다](https://simian114.gitbook.io/blog/undefined/rubyonrails/undefined-7/validation-1/validation-save-update-create.md)
- [validator 클래스](https://simian114.gitbook.io/blog/undefined/rubyonrails/undefined-7/validation-1/validator.md)
- [커스텀Validation](https://simian114.gitbook.io/blog/undefined/rubyonrails/undefined-7/validation-1/validation.md): 너무 오랜만이다...
- [validates format(정규표현식)](https://simian114.gitbook.io/blog/undefined/rubyonrails/undefined-7/validation-1/validates-format.md)