Hype form validation question

[eluser]Marc Arbour[/eluser]
Hi to all.

I need guidance from the community. Maybe it's a language barrier question, maybe I'm just not knowledgeable enough.

I have a complete and running website with CI 2.1 to which I need to add a "help us imprive this page" form.

Is anyone familiar with this type of improvement? Does such a thing exist with CI? If so can you tell me how it is called?

I have tought to add validation code on every controller... But that is a lloonngg job.

I have tried with the help of a function in a helper to no success.

Thanks in advance for any pointer.