Variable: message-newgroups-header-regexp

message-newgroups-header-regexp is a customizable variable defined in message.el.gz.

Value

"^\\(Newsgroups\\|Followup-To\\|Posted-To\\|Gcc\\):"

Documentation

Regexp that match headers that lists groups.

Source Code

;; Defined in /usr/src/emacs/lisp/gnus/message.el.gz
;;; Group name completion.

(defcustom message-newgroups-header-regexp
  "^\\(Newsgroups\\|Followup-To\\|Posted-To\\|Gcc\\):"
  "Regexp that match headers that lists groups."
  :group 'message
  :type 'regexp)