expressions clarification

Tone Kravanja Tone.Kravanja at
Thu Mar 3 12:10:45 CET 2016

i = ignore case
x = ignore (most) whitespace and permit comments in pattern

Best Regards,
Tone Kravanja

-----Original Message-----
From: Dino Edwards [mailto:dino.edwards at] 
Sent: Wednesday, March 2, 2016 3:07 PM
To: amavis-users at
Subject: expressions clarification

I'm trying to figure out what the difference between the following expressions are:

[qr'.\.(mdb)$'ix => 0]
[qr'.\.(uue)$'i => 0]
[qr'^\.(lha)$' => 0]

Mainly, trying to figure out when you put in "ix", "i" or nothing at all at the end of the expression.


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