If you are developing a production application, we recommend using TypeScript with type-aware lint rules enabled. Check out the TS template for information on how to integrate TypeScript and ...

A form input builder and validator for React JS. Contribute to formsy/formsy-react development by creating an account on GitHub.

IDG Figure 1: Model validation in a minimal API in ASP.NET Core 6 using the FluentValidation library. You can also apply custom validators using the IValidatableObject interface.

Most web frameworks I've seen handle form validation using exceptions; if the form fields or the whole form don't meet the requirements, an exception is thrown and dealt with (redirect back to the ...