C ++
C ++ setlocale () - C ++ Standardbibliotek
C ++ iswalnum () - C ++ Standardbibliotek
C ++ iswblank () - C ++ Standardbibliotek
C ++ iswprint () - C ++ Standardbibliotek
C ++ iswalpha () - C ++ Standardbibliotek
formel
Excel-formel: COUNTIFS med variabelt intervall -
