I wouldn't know about the Vim equivalent, but I wrote this in my Emacs config long ago: (defun find-non-ascii () "Find and show all of the non-ascii

I wouldn't know about the Vim equivalent, but I wrote this in my Emacs config long ago: (defun find-non-ascii () "Find and show all of the non-ascii characters." (interactive) (occur "[[:nonascii:]]")) It has proved quite useful on occasion. (Yes, I could just invoke Occur directly, but I can never quite remember the regexp character class and syntax here.)