s1 = "Octave Rocks";
s2 = "octave rocks";
disp(strmatch("Oct", {s1, s2}))
disp(char([79 67 84 65 86 69]))
disp(ischar(s1))
disp(findstr(s1, "Rock"))
disp(strfind(s1, "c"))
disp(str2double("456.78"))
disp(str2num("4 5 6"))
disp(num2str(789.012))
disp(strvcat("alpha", "beta"))
disp(['[' strtrim(" spaced ") ']'])
disp(tok)
disp(rest)
disp(lower(s1))
disp(upper(s2))
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