Variable: speedbar-file-unshown-regexp
speedbar-file-unshown-regexp is a customizable variable defined in
speedbar.el.gz.
Value
"\\.o\\'\\|~\\'\\|\\.bin\\'\\|\\.lbin\\'\\|\\.so\\'\\|\\.a\\'\\|\\.ln\\'\\|\\.blg\\'\\|\\.bbl\\'\\|\\.elc\\'\\|\\.lof\\'\\|\\.glo\\'\\|\\.idx\\'\\|\\.lot\\'\\|\\.svn/\\'\\|\\.hg/\\'\\|\\.git/\\'\\|\\.bzr/\\'\\|CVS/\\'\\|_darcs/\\'\\|_MTN/\\'\\|\\.fmt\\'\\|\\.tfm\\'\\|\\.class\\'\\|\\.fas\\'\\|\\.lib\\'\\|\\.mem\\'\\|\\.x86f\\'\\|\\.sparcf\\'\\|\\.dfsl\\'\\|\\.pfsl\\'\\|\\.d64fsl\\'\\|\\.p64fsl\\'\\|\\.lx64fsl\\'\\|\\.lx32fsl\\'\\|\\.dx64fsl\\'\\|\\.dx32fsl\\'\\|\\.fx64fsl\\'\\|\\.fx32fsl\\'\\|\\.sx64fsl\\'\\|\\.sx32fsl\\'\\|\\.wx64fsl\\'\\|\\.wx32fsl\\'\\|\\.fasl\\'\\|\\.ufsl\\'\\|\\.fsl\\'\\|\\.dxl\\'\\|\\.lo\\'\\|\\.la\\'\\|\\.gmo\\'\\|\\.mo\\'\\|\\.toc\\'\\|\\.aux\\'\\|\\.cp\\'\\|\\.fn\\'\\|\\.ky\\'\\|\\.pg\\'\\|\\.tp\\'\\|\\.vr\\'\\|\\.cps\\'\\|\\.fns\\'\\|\\.kys\\'\\|\\.pgs\\'\\|\\.tps\\'\\|\\.vrs\\'\\|\\.pyc\\'\\|\\.pyo\\'\\|#[^#]+#$\\|\\.\\.?\\'\\|\\.#"
Documentation
Regexp matching files we don't want displayed in a speedbar buffer.
It is generated from the variable completion-ignored-extensions.
Source Code
;; Defined in /usr/src/emacs/lisp/speedbar.el.gz
(defcustom speedbar-file-unshown-regexp
(let ((nstr "") (noext completion-ignored-extensions))
(while noext
(setq nstr (concat nstr (regexp-quote (car noext)) "\\'"
(if (cdr noext) "\\|" ""))
noext (cdr noext)))
;; backup refdir lockfile
(concat nstr "\\|#[^#]+#$\\|\\.\\.?\\'\\|\\.#"))
"Regexp matching files we don't want displayed in a speedbar buffer.
It is generated from the variable `completion-ignored-extensions'."
:group 'speedbar
:type 'regexp)