in reply to Re^4: Is foreach split Optimized?
in thread Is foreach split Optimized? (Update: No.)

Fair enough. With that change for more "apples to apples"..
5.020002 Rate index regex split2 index 1.27/s -- -19% -34% regex 1.57/s 23% -- -19% split2 1.93/s 52% 23% --