Variable: markdown-regex-header-atx
markdown-regex-header-atx is a variable defined in markdown-mode.el.
Value
"^\\(#+\\)[ ]+\\(.*?\\)[ ]*\\(#*\\)$"
Documentation
Regular expression for generic atx-style (hash mark) headers.
Source Code
;; Defined in ~/.emacs.d/elpa/markdown-mode-20260321.143/markdown-mode.el
(defconst markdown-regex-header-atx
"^\\(#+\\)[ \t]+\\(.*?\\)[ \t]*\\(#*\\)$"
"Regular expression for generic atx-style (hash mark) headers.")