Variable: js--opt-cpp-start
js--opt-cpp-start is a variable defined in js.el.gz.
Value
"^\\s-*#\\s-*\\([[:alnum:]]+\\)"
Documentation
Regexp matching the prefix of a cpp directive.
This includes the directive name, or nil in languages without preprocessor support. The first submatch surrounds the directive name.
Source Code
;; Defined in /usr/src/emacs/lisp/progmodes/js.el.gz
(defconst js--opt-cpp-start "^\\s-*#\\s-*\\([[:alnum:]]+\\)"
"Regexp matching the prefix of a cpp directive.
This includes the directive name, or nil in languages without
preprocessor support. The first submatch surrounds the directive
name.")