octave-function-header-regexp

octave-function-header-regexp is a variable defined in `octave.el'.
Its value is

"^\\s-*\\_<\\(function\\)\\_>\\([^=;(\n]*=[ ]*\\|[ ]*\\)\\(\\(?:\\w\\|\\s_\\)+\\)\\_>"


Documentation:
Regexp to match an Octave function header.
The string `function' and its name are given by the first and third
parenthetical grouping.