Csharp control validating

I want to check what the user is writing in a textbox before I save it in a database. I guess I can always write some ifs or some try-catch blocks, but I was wondering if there's a better method.

(And, let’s be honest, that’s probably where you found it.) Let’s put our pattern into the regex builder at Reg Exr: Once you’re satisfied that the pattern matching in the regex is what you want, add it to your model with a It can be very frustrating to enter a phone number, fill out the rest of a form, and then be told that your phone number didn’t match some magical format you weren’t told about. NET you’re using, you can use input masks to guide your users toward entering the right input.Have you considered whether to allow for extensions? NET MVC architecture if you don’t quite understand the concept yet. However, as you could probably guess, there’s no validation here whatsoever. You might want to just give up, put a plain text input on the form, and let the someone else deal with it later. These rules are then respected by both the server-side validation and the client-side validation (using j Query Unobtrusive Validation).An input mask forces a format on the input as the user types.So, as our user starts entering digits, the input might apply parentheses and hyphens automatically.

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