Variable: speedbar-file-regexp
speedbar-file-regexp is a variable defined in speedbar.el.gz.
Value
"\\(\\(\\.\\(org\\|pro\\|[ch]\\(\\+\\+\\|pp\\|c\\|h\\|xx\\)?\\|tex\\(i\\(nfo\\)?\\)?\\|el\\|emacs\\|l\\|lsp\\|p\\|java\\|js\\|f\\(90\\|77\\|or\\)?\\|ad[abs]\\|p[lm]\\|tcl\\|m\\|scm\\|pm\\|py\\|g\\|lua\\|s?html\\|ma?k\\)\\)\\|\\(\\.vhdl?\\'\\|\\.[ds]?va?h?\\'\\|[Mm]akefile\\(\\.in\\)?\\)\\)$"
Documentation
Regular expression matching files we know how to expand.
Created from speedbar-supported-extension-expressions with the
function speedbar-extension-list-to-regex.
Source Code
;; Defined in /usr/src/emacs/lisp/speedbar.el.gz
(defvar speedbar-file-regexp nil
"Regular expression matching files we know how to expand.
Created from `speedbar-supported-extension-expressions' with the
function `speedbar-extension-list-to-regex'.")