Erik Voldengen sent this to the list a while back.
It handles "multiple top levels", checks for valid "root domains", disallows
double @@ and will ensure that the email address contains just
"alphanumeric" characters.
Very nice piece of work!
<cfset email_address="[EMAIL PROTECTED]">
<cfif
REFindNocase("^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*\.(([a-z
]{2,3})|(aero|coop|info|museum|name))$",email_address)>
.good..
<cfelse>
.bad..
</cfif>
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