Variable: mh-scan-msg-format-regexp
mh-scan-msg-format-regexp is a variable defined in mh-scan.el.gz.
Value
"%\\([0-9]*\\)(msg)"
Documentation
This regular expression finds the message number width in a scan format.
Note that the message number must be placed in a parenthesized
expression as in the default of "%\\\\([0-9]*\\\\)(msg)". This
variable is only consulted if mh-scan-format-file is set to
"Use MH-E scan Format".
Source Code
;; Defined in /usr/src/emacs/lisp/mh-e/mh-scan.el.gz
(defvar mh-scan-msg-format-regexp "%\\([0-9]*\\)(msg)"
"This regular expression finds the message number width in a scan format.
Note that the message number must be placed in a parenthesized
expression as in the default of \"%\\\\([0-9]*\\\\)(msg)\". This
variable is only consulted if `mh-scan-format-file' is set to
\"Use MH-E scan Format\".")