Function: rmail-message-labels-p
rmail-message-labels-p is a byte-compiled function defined in
rmail.el.gz.
Signature
(rmail-message-labels-p MSG LABELS)
Documentation
Return non-nil if message number MSG has labels matching regexp LABELS.
Source Code
;; Defined in /usr/src/emacs/lisp/mail/rmail.el.gz
;; FIXME rmail-get-labels does some formatting (eg leading space, `;'
;; between attributes and labels), so this might not do what you want.
;; Eg see rmail-sort-by-labels. rmail-get-labels could have an
;; optional `noformat' argument.
(defun rmail-message-labels-p (msg labels)
"Return non-nil if message number MSG has labels matching regexp LABELS."
(string-match labels (rmail-get-labels msg)))