Contact form Input check

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Is it possible to add input check submission on a contact form?

 
simpled replied on at Permalink Reply
I think it's basic and quite important.
Created a form using the block (survey style).
I have 3 input that needs validating.
How do i do it?

Help please
frz replied on at Permalink Reply
frz
the only way to do validation is to write it yourself using a custom form instead of the form block..

we're working on improving that
simpled replied on at Permalink Reply
That's what I had to do, but it's not really pretty.
I used the external form system and added some javascript check.

I am not good enough to dig deep into C5 code, but this should be No1 on your to do list.

thx