Variable: org-outline-regexp
org-outline-regexp is a variable defined in org.el.gz.
Value
"\\*+ "
Documentation
Regexp to match Org headlines.
Source Code
;; Defined in /usr/src/emacs/lisp/org/org.el.gz
;; `org-outline-regexp' ought to be a defconst but is let-bound in
;; some places -- e.g. see the macro `org-with-limited-levels'.
(defvar org-outline-regexp "\\*+ "
"Regexp to match Org headlines.")