count      3
map        3
regex      3
split      3

          Rate split regex   map count
split 207677/s    --   -7%  -28%  -47%
regex 223050/s    7%    --  -23%  -43%
map   288533/s   39%   29%    --  -27%
count 394162/s   90%   77%   37%    --