new eval functions comparing the matches of two regular expression?

[Harald Binkle <bi...@jam-software.com>]

What about a new eval functions comparing the matches of two regular expression?
If there would be functions like

 eval:Equals(/regex1/,/regex2/)
and
 eval:NOTEquals(/regex1/,/regex2/)

it would be easy to define rules like:

a rule scoring, say with 0.8 points, if there is only one recipients address and that one equals the senders address but they have different 'name parts'?
Like:
TO: "User Name" <us...@domain.com>
FROM: "viagra offer" <us...@domain.com>

There are a lot of spam mails with that structure trying to get through because many people have their own domain on the whitelist.
I tried to set this up as rule but with no luck. I fear it is not possible to do this with a regular expression
as it is not possible to compare results of a regular expression in a regular expression.

Could someone implement this?

Greetings

Harry



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