[pmwiki-users] Validating and appending data from Forms and Displaying

[Peter & Melodye Bowers]

>    if test ${address} ~= /^[a-zA-Z]\w*@[\w.]*$/
>    then
>       echo "Yep, looks like an email address"

Note that the regex above to validate the email address form is not even
close to what it needs to be.  If you're going to use it "live" it would
need to be significantly more robust...

-Peter