MATLAB: Switch Case with a range of letters

char case range

OK, I'm just playing with some code. Here's the code:
clear, clc;
while 1
n = input('Type a Word Starting With a Capital Letter: ','s');
n=n(1);
switch n 
    case 'A'
        disp('An A word!')
        break;
    case 'B'
        disp('A B  word!')
        break;
    case 'C'
        disp('A C word!')
        break;
    case 'D' <= 'Z'
        disp("try using A,B or C this time") 
    otherwise 
        disp('incorrect word, I said use a CAPITAL!')
end
end
I added the "while true" to keep the program running until one of my cases is met. I'm trying to use a range from "D" to "Z" but it doesn't seem to work. I thought the characters were seen as an integer in programming so I'm not sure why it can't evaluate the case?

Best Answer

    case num2cell('D':'Z')
... Tested. It works.
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