thing-at-point-short-url-regexp

thing-at-point-short-url-regexp is a variable defined in `thingatpt.el'.
Its value is

"[-A-Za-z0-9]+\\.[-A-Za-z0-9.]+[^]	\n \"'<>[^`{}]*[^]	\n \"'<>[^`{}.,;]+"

Documentation:
Regexp matching a URI without a scheme component.