functions = [isUpper,isLower,isAlpha,isAlphaNum,isDigit,isPrint,isSpace,isControl]
functions = [isUpper,isLower,isAlpha,isAlphaNum,isDigit,isPrint,isSpace,isControl]
functions = [isUpper,isLower,isAlpha,isAlphaNum,isDigit,isPrint,isSpace,isControl]