Doug Essinger-Hileman wrote:
Do I understand correctly, that the following recipe will check to
see if there is only one header, but without extracting the header's
contents:
:0
* 2^0
* -1^1 ^Received:
action
It will see whether there is only one Received: header, not whether
there is only one header at all; I'm sure that's what you meant. You're
correct that with no \/ in the regexp, it will do no extracting.
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