Correct Sender Whitelist format

Im trying to setup a whitelist varible for a domian and all its subdomains and all possible emails addresses with in it, I know the associated risk involed, but Im unsure of the format to use

Here is what i have been trying to do
.*@([^.]+\.)*blackbaud\.com$
yet when I test with someting simple as it does not match

Any asstiance would be helpful

Derek Horton (July 28, 2011)

@Derek Horton: This appears to be the correct regular expression for the purpose and it matches in the ORF Administration Tool - is there any chance you accidentally left the expression editor in "Email address / wildcard mask" mode? This mode for this expression should be "Regular expression".

Peter Karsai (ORF Team) (July 29, 2011)
in response to this post

@Peter Karsai (ORF Team): It was in wildcard mode as Its my understanding that a standard wildcard expression is *
I did however make the adjustment and it works perfectly

Thank you

Derek Horton (July 29, 2011)
in response to this post