compare two strings one with ‘abcdef’ and another is ‘abc’ and find that ‘abc’ is part of ‘abcdef’ in matlab

You can use the contains function in MATLAB to check if one string is part of another string. Here's an example code that compares two strings "abcdef" and "abc" to check if "abc" is part of "abcdef":

main.m
str1 = 'abcdef';
str2 = 'abc';

if contains(str1, str2)
    disp('str2 is part of str1');
else
    disp('str2 is not part of str1');
end
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The contains function returns a logical value (true or false) depending on whether the first input string (str1) contains the second input string (str2). In the above code, if contains returns true, then it means that str2 is part of str1. If it returns false, then it means that str2 is not part of str1.