Custom routing constraint in AspNet core
Introduction URL routing is a fundamental part of ASP.NET Core applications, determining how incoming requests are mapped to controller actions. While the framework provides numerous built-in route constraints like int, bool, and guid, there are situations where you need more sophisticated validation rules for your URL parameters. This is where custom route constraints become invaluable. In this guide, we’ll explore how to create and implement custom route constraints in ASP.NET Core using the IRouteConstraint interface. By the end, you’ll understand how to validate URL parameters with complex business rules specific to your application. ...