How to distinguish two similar but different strings?

Question

Ibro Tutic 2017-6-28

0
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https://ww2.mathworks.cn/matlabcentral/answers/346638-how-to-distinguish-two-similar-but-different-strings

编辑： Stephen23 2017-6-28

I have a function that sorts files based on file name. Two of the categories are 'Z7PR' and 'Z7PR1', which are two different tests. However, my sorting program sorts 'Z7PR' into 'Z7PR1', because it seems to match the 'Z7PR'. Is there anyway to distinguish the two without using 'Z7PR_' as I am currently doing?

Here is my code:

function otpS = filesort(inpS)
C = {'Z1P','Z2P','Z1G','Z2G','Z3K','Z4K','Z5K','Z3M','Z4M','Z5M','Z6MS','Z7PR_','Z7PR1'}; %files to find
N = {inpS.name}; %initializes structure
otpS = struct(); %initializes structure
for k = 1:numel(C)
    idx = cellfun('isempty',regexp(N,C{k},'once')); %finds matching strings
    otpS.(C{k}) = N(~idx); %organizes files based on C
end
end