# Form Validation

Check what people typed in the browser, before the form is sent.

![Cheat sheet: Form Validation](https://fsdtrainingmedia.blob.core.windows.net/public/images/2026/11/7716f78ad49d420eaa33f4e3ba714788.webp)

- Category: HTML
- Level: Apprentice
- Tags: Spring Boot, thymeleaf
- Updated: November 3, 2026

Source: https://www.ask-codey.com/cheat-sheets/form-validation-an-overview-cheat-sheet