Yes, that's the good one.

Thanks teethless.....

"Peter Adema" wrote:

I have read different questions, but I have not see the solution to my problem.
I want to validate in one cell if an valid E-mail address has been entered.
With Date validation-Allow custom, I entered the formula (B5;"??@?.?")
So I want a value like "
What is the formula for that?

Thanks for your support.