org-babel-src-name-w-name-regexp

org-babel-src-name-w-name-regexp is a variable defined in `ob-core.el'.
Its value is

"^[ 	]*#\\+name:[ 	]*\\(^[ 	]*#\\+headers?:[ 	]*\\([^\n]*\\)$\\)*\\([^ ()\f	\n
]+\\)"

Documentation:
Regular expression matching source name lines with a name.