LOL...well, I'll try. You should be able to use an "if" statement to 
check if the form field is filled in and then do your validation on the 
e-mail address. There are already many resources available on the 
internet for PHP e-mail validation (and probably some in previous posts 
in this list), so I won't go into that here. The "if" statement would 
look like (assuming you are "post"ing your form and the field containing 
the e-mail address is named "email"):

if($_POST['email']){
//validate e-mail address here.
}

Best regards,
Jim at iDimensionz.com
-- 
http://www.iDimensionz.com Professional web site design and affordable 
web site hosting.
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valentin wrote:

> Hello there. I hope that this time Jim Mullen will also give me a nice 
> answer :P
> So, which is the problem...
> I have a form field and i want to validate this field if it is NULL or 
> if it contains an email address. I do not need a very compicated email 
> addresa validation, all i want to find out is how to mix or add the ' 
> NULL ' character in ereg() to the character accepted for the email 
> address validation.
>
> Thank you and have fun :P




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