Variable: directory-listing-before-filename-regexp

directory-listing-before-filename-regexp is a variable defined in files.el.gz.

Value

"\\([0-9][BkKMGTPEZYRQ]? \\(\\([0-9][0-9][0-9][0-9]-\\)?[01][0-9]-[0-3][0-9][ T][ 0-2][0-9][:.][0-5][0-9]\\(:[0-6][0-9]\\([.,][0-9]+\\)?\\( ?[-+][0-2][0-9][0-5][0-9]\\)?\\)?\\|[0-9][0-9][0-9][0-9]-[01][0-9]-[0-3][0-9]\\)\\|.*[0-9][BkKMGTPEZYRQ]? \\(\\(\\([A-Za-z']\\|[^�-]\\)\\([A-Za-z']\\|[^�-]\\)+\\.? +[ 0-3][0-9]\\|[ 0-3][0-9]\\.? \\([A-Za-z']\\|[^�-]\\)\\([A-Za-z']\\|[^�-]\\)+\\.?\\) +\\([ 0-2][0-9][:.][0-5][0-9]\\|[0-9][0-9][0-9][0-9]\\)\\|\\([A-Za-z']\\|[^�-]\\)\\([A-Za-z']\\|[^�-]\\)+\\.? +[ 0-3][0-9], +[0-9][0-9][0-9][0-9]\\|[ 0-3][0-9]-\\([A-Za-z']\\|[^�-]\\)\\([A-Za-z']\\|[^�-]\\)+\\.?-[0-9][0-9][0-9][0-9] [ 0-2][0-9][:.][0-5][0-9]\\|\\([ 0-1]?[0-9]\\([A-Za-z]\\|[^�-]\\)? [ 0-3][0-9]\\([A-Za-z]\\|[^�-]\\)? +\\|[ 0-3][0-9] [ 0-1]?[0-9] +\\)\\([ 0-2][0-9][:.][0-5][0-9]\\|[0-9][0-9][0-9][0-9]\\([A-Za-z]\\|[^�-]\\)?\\)\\)\\) +"

Documentation

Regular expression to match up to the file name in a directory listing.

The default value is designed to recognize dates and times regardless of the language.

Aliases

dired-move-to-filename-regexp (obsolete since 30.1)

Source Code

;; Defined in /usr/src/emacs/lisp/files.el.gz
(defvar directory-listing-before-filename-regexp
  (let* ((l "\\([A-Za-z]\\|[^\0-\177]\\)")
	 (l-or-quote "\\([A-Za-z']\\|[^\0-\177]\\)")
	 ;; In some locales, month abbreviations are as short as 2 letters,
	 ;; and they can be followed by ".".
	 ;; In Breton, a month name  can include a quote character.
	 (month (concat l-or-quote l-or-quote "+\\.?"))
	 (s " ")
	 (yyyy "[0-9][0-9][0-9][0-9]")
	 (dd "[ 0-3][0-9]")
	 (HH:MM "[ 0-2][0-9][:.][0-5][0-9]")
	 (seconds "[0-6][0-9]\\([.,][0-9]+\\)?")
	 (zone "[-+][0-2][0-9][0-5][0-9]")
	 (iso-mm-dd "[01][0-9]-[0-3][0-9]")
	 (iso-time (concat HH:MM "\\(:" seconds "\\( ?" zone "\\)?\\)?"))
	 (iso (concat "\\(\\(" yyyy "-\\)?" iso-mm-dd "[ T]" iso-time
		      "\\|" yyyy "-" iso-mm-dd "\\)"))
	 (western (concat "\\(" month s "+" dd "\\|" dd "\\.?" s month "\\)"
			  s "+"
			  "\\(" HH:MM "\\|" yyyy "\\)"))
	 (western-comma (concat month s "+" dd "," s "+" yyyy))
         ;; This represents the date in strftime(3) format "%e-%b-%Y"
         ;; (aka "%v"), as it is the default for many ls incarnations.
         (DD-MMM-YYYY (concat dd "-" month "-" yyyy s HH:MM))
	 ;; Japanese MS-Windows ls-lisp has one-digit months, and
	 ;; omits the Kanji characters after month and day-of-month.
	 ;; On Mac OS X 10.3, the date format in East Asian locales is
	 ;; day-of-month digits followed by month digits.
	 (mm "[ 0-1]?[0-9]")
	 (east-asian
	  (concat "\\(" mm l "?" s dd l "?" s "+"
		  "\\|" dd s mm s "+" "\\)"
		  "\\(" HH:MM "\\|" yyyy l "?" "\\)")))
	 ;; The "[0-9]" below requires the previous column to end in a digit.
	 ;; This avoids recognizing `1 may 1997' as a date in the line:
	 ;; -r--r--r--   1 may      1997        1168 Oct 19 16:49 README

	 ;; The "[BkKMGTPEZYRQ]?" below supports "ls -alh" output.

	 ;; For non-iso date formats, we add the ".*" in order to find
	 ;; the last possible match.  This avoids recognizing
	 ;; `jservice 10 1024' as a date in the line:
	 ;; drwxr-xr-x  3 jservice  10  1024 Jul  2  1997 esg-host

         ;; vc dired listings provide the state or blanks between file
         ;; permissions and date.  The state is always surrounded by
         ;; parentheses:
         ;; -rw-r--r-- (modified) 2005-10-22 21:25 files.el
         ;; This is not supported yet.
    (purecopy (concat "\\([0-9][BkKMGTPEZYRQ]? " iso
		      "\\|.*[0-9][BkKMGTPEZYRQ]? "
                      "\\(" western "\\|" western-comma
                      "\\|" DD-MMM-YYYY "\\|" east-asian "\\)"
		      "\\) +")))
  "Regular expression to match up to the file name in a directory listing.
The default value is designed to recognize dates and times
regardless of the language.")