b=0;
string='fprintf(''%s'',''word'')'
for u=1:numel(string),for j=u:numel(string)-2,try a=eval([string(1:u) string(j+2:end)]);catch(b); a=0;end; if a~=0, '',['here is it : ' string(1:u) string(j+2:end)],end;end;end