Variable: minibuffer-lazy-count-format
minibuffer-lazy-count-format is a customizable variable defined in
isearch.el.gz.
Value
"%s "
Documentation
Format of the total number of matches for the prompt prefix.
This variable was added, or its default value changed, in Emacs 29.1.
Source Code
;; Defined in /usr/src/emacs/lisp/isearch.el.gz
;; Reading from minibuffer with lazy highlight and match count
(defcustom minibuffer-lazy-count-format "%s "
"Format of the total number of matches for the prompt prefix."
:type '(choice (const :tag "Don't display a count" nil)
(string :tag "Display match count" "%s "))
:group 'lazy-count
:version "29.1")