Function: diff-count-matches
diff-count-matches is a byte-compiled function defined in
diff-mode.el.gz.
Signature
(diff-count-matches RE START END)
Source Code
;; Defined in /usr/src/emacs/lisp/vc/diff-mode.el.gz
(defun diff-count-matches (re start end)
(save-excursion
(let ((n 0))
(goto-char start)
(while (re-search-forward re end t) (cl-incf n))
n)))