string:trim
builtin-function
(string:trim str) (string:trim str &rest trim-chars) (string:trim str trim-chars-str)
(string:trim str)
(string:trim str &rest trim-chars)
(string:trim str trim-chars-str)
The third form is a Kiezellisp extension.
make-html > (.trim "efefabcdefefefef" "fe") it: "abcd"