org-babel-lob-one-liner-regexp

org-babel-lob-one-liner-regexp is a variable defined in `ob-lob.el'.
Its value is

"\\(^\\([ 	]*?\\)#\\+call:[ 	]+\\([^()\n]+?\\)\\(\\[\\(.*\\)\\]\\|\\(\\)\\)(\\([^\n]*?\\))\\(\\[.+\\]\\|\\)[ 	]*\\(\\([^\n]*\\)\\)?\\|\\([^\n]*?\\)call_\\([^()\n]+?\\)\\(\\[\\(.*?\\)\\]\\|\\(\\)\\)(\\([^\n]*?\\))\\(\\[\\(.*?\\)\\]\\)?\\)"

• This variable may be risky if used as a file-local variable.

Documentation:
Regexp to match calls to predefined source block functions.