See attached html file. Just trying to make the already superb documentation more complete. * (cl-ppcre:regex-replace "(be)(nev)(o)(lent)" "benevolent: adj. generous, kind" #'(lambda (match &rest registers) (format nil "~A [~{~A~^.~}]" match registers)) :simple-calls t) "benevolent [be.nev.o.lent]: adj. generous, kind" -- Mac