Help with Regular Expressions matching

ajit k jena ajit at cc.iitb.ac.in
Fri Jan 31 08:26:53 CET 2003


Hi,

I have the following requirement:

	I have a mailman mailing list. This is a public list where
	anyone can post without joining the list. But now I wish to
	restrict the posters to a particular set. In particular, what
	I want is to allow email addresses of the form:

		user at mydomain.name
		user at subdomain.mydomain.name

	I wish to disallow all other addresses.

Someone in mailman mailing list suggested a regular expression of the
form:

	^.*?@(?!your\.domain\.com$)

This only accepts addresses of the form user at your.domain.com. The
subdomain requirement I have shown above is not accepted.

As I am new to PYTHON regular expressions, I seek your help in
solving this issue.

Thanks for your time.
		
--ajit 

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