On 2023-05-16 20:08, Andrew C Aitchison via Exim-users wrote:
> On Tue, 16 May 2023, MRob via Exim-users wrote:
>
>> Hi, I want to capture part of a regex match (capture group) to put in
>> logs. This example using subject header works but is there a better
>> way?
>>
>> warn set acl_c_temp = ${if match{$h_Subject:}{<regex with capture
>> group>}{$1}{none}}
>> !condition = ${if eq{$acl_c_temp}{none}}
>> logwrite = Notice: subject match is: $acl_c_temp
>>
>> This also risky because must be careful to make sure "none" could
>> never come from the regex match group
>>
>> PS: is there better local variable to use?
>
> Since it is just conditional logging of a header
> would a system filter be the place for this ?
Sorry Im a beginner so I don't know yet much about those or when it's
best to use them. Jeremy made it sound that your suggesting is an
unnecessary burden but if there's something youre suggesting I love to
learn! (note it's conditional logging of *part* of a header)
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