Variable: message-subject-trailing-was-ask-regexp

message-subject-trailing-was-ask-regexp is a customizable variable defined in message.el.gz.

Value

"[      ]*\\([[(]+[Ww][Aa][Ss].*[])]+\\)"

Documentation

Regexp matching "(was: <old subject>)" in the subject line.

The function message-strip-subject-trailing-was uses this regexp if message-subject-trailing-was-query is set to the symbol ask. If the variable is t instead of ask, use message-subject-trailing-was-regexp instead.

It is okay to create some false positives here, as the user is asked.

This variable was added, or its default value changed, in Emacs 22.1.

Source Code

;; Defined in /usr/src/emacs/lisp/gnus/message.el.gz
(defcustom message-subject-trailing-was-ask-regexp
  "[ \t]*\\([[(]+[Ww][Aa][Ss].*[])]+\\)"
  "Regexp matching \"(was: <old subject>)\" in the subject line.

The function `message-strip-subject-trailing-was' uses this regexp if
`message-subject-trailing-was-query' is set to the symbol `ask'.  If
the variable is t instead of `ask', use
`message-subject-trailing-was-regexp' instead.

It is okay to create some false positives here, as the user is asked."
  :version "22.1"
  :group 'message-various
  :link '(custom-manual "(message)Message Headers")
  :type 'regexp)