[TriLUG] Regular Expression Help

[Tarus Balog]

On Dec 24, 2003, at 11:55 AM, Nathan Conrad wrote:

> Hi,
>
> Here is a POSIX-compatible regular expression:
>
> ^Re: [A-Z]{2,8}, [^ ]* [^ ]* [^ ]*$

Thanks for everyone's help, but it is still stumping me. This is what I  
have in my postfix header_checks:

/^Subject: Re: [A-Z]{2,8}, [a-zA-Z]+ [a-zA-Z]+ [a-zA-Z]+$/     REJECT

Unfortunately, while is catches the SPAM, it also catches:

Re: Really, this should work

etc. Basically, it seems to be matching any word, 2-8 characters long,  
versus just words made up of capital letters. Something like:

Re: s, this is small

does not match.

-T

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