Auteur: Phil Chambers Date: À: exim-users Sujet: [exim] regex in an ACL
I am trying to detect Windows executable attachments in a MIME ACL. Assuming the
BASE64 encoding starts with TV[opqr], so I have
regex = \N\ATV[opqr]\N
I understood that the \A would anchor the test to the start of the attachment,
unlike ^ which anchors to the start of a line. Unfortunately, the test succeeds if
it finds TV[opqr] at the start of any line in the attachment.
Can anyone give me a test which will only search the start of the attachment?
Phil.
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Phil Chambers (postmaster@???)
University of Exeter