Attachment: Calendar file with invisible Unicode characters

type.inbound
and not subject .is_reply
and any(attachments, .file_extension in~ ('ics'))
and any(attachments,
        any(file.explode(.),
            .file_extension in~ ('ics')
            and regex.icontains(.scan.strings.raw,
                                '[\x{E0000}-\x{E007F}\x{E0100}-\x{E01EF}\x{2062}\x{2064}]{8,}'
            )
        )
)
and (
  regex.icontains(subject.subject, '(calendar|meeting|event|appointment)')
  or regex.icontains(body.current_thread.text,
                     '(calendar|meeting|event|appointment)'
  )
  or any(attachments, .content_type in~ ("text/calendar"))
)