STREMPTY is the char | string empty
that means literally string.empty OR strlength == 0
function y = strempty(s) if isempty(s) y = true; else y = strlength(s) == 0; end end
that means literally string.empty OR strlength == 0
function y = strempty(s) if isempty(s) y = true; else y = strlength(s) == 0; end end