Simplified Common Lisp reference

Symbol class: Sequences (Lists, Strings) and Arrays

Syntax:

Symbol type: function

string-upcasestringstart^(keyword)end^(keyword) => string

Argument description:

string	a string
start	integer bouded by string length
end	integer bouded by string length

STRING-UPCASE function converts string into its upcase reprezentation. returned. See also STRING-DOWNCASE, STRING-CAPITALIZE, CHAR-UPCASE and CHAR-DOWNCASE.

(string-upcase "some string") => "SOME STRING"
(string-upcase "some string" :start 2) => "soME STRING"
(string-upcase "some string" :start 2 :end 8) => "soME STRing"

Function index Full documentation for string-upcase (HyperSpec)