MATLAB: How to use use logical relations on a character array

2-d arraycharacter array

Say like I have an array animals=[cat;dog;hamster;shark;duck;bat]. How do I get an array that only contains animals that is spelled with 4 or more letters?

Best Answer

>> a = {'cat';'dog';'hamster';'shark';'duck';'bat'};
>> a(cellfun('length',a)>3)
ans = 
    'hamster'
    'shark'
    'duck'
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