STRING> ======= Syntax: (string> <string1> <string2> :START1 <number> :END1 <number> :START2 <number> :END2 <number>) This function compares (parts of) strings with differentiation between upper- and lowercase- characters. It returns the length of the common begin-part, when the strings are equal, otherwise NIL. examples: >(string> "Auto" "Automobil") NIL >(string> "Automobil" "Auto") 4