read-regexp-suggestions

read-regexp-suggestions is a compiled Lisp function in `replace.el'.

(read-regexp-suggestions)

Return a list of standard suggestions for `read-regexp'.
By default, the list includes the tag at point, the last isearch regexp,
the last isearch string, and the last replacement regexp. `read-regexp'
appends the list returned by this function to the end of values available
via M-n.