Function: message-strip-subject-re

message-strip-subject-re is a byte-compiled function defined in message.el.gz.

Signature

(message-strip-subject-re SUBJECT)

Documentation

Remove "Re:" from subject lines in string SUBJECT.

This uses mail-re-regexps, matching is done case-insensitively.

Probably introduced at or before Emacs version 31.1.

Source Code

;; Defined in /usr/src/emacs/lisp/gnus/message.el.gz
(defun message-strip-subject-re (subject)
  "Remove \"Re:\" from subject lines in string SUBJECT.
This uses `mail-re-regexps', matching is done case-insensitively."
  (let ((case-fold-search t))
    (if (string-match message-subject-re-regexp subject)
        (substring subject (match-end 0))
      subject)))