or download this
Benchmark: timing 1000 iterations of regexish, with_splitting...
regexish: 59 wallclock secs (58.16 usr + 0.02 sys = 58.18 CPU) @ 17
+.19/s (n=1000)
with_splitting: 0 wallclock secs ( 0.02 usr + 0.00 sys = 0.02 CPU)
+@ 50000.00/s (n=1000)
(warning: too few iterations for a reliable count)