or download this
Benchmark: timing 1000000 iterations of test_eq, test_regex...
test_eq: 8 wallclock secs ( 8.45 usr + 0.01 sys = 8.46 CPU)
@ 118161.41/s (n=1000000)
test_regex: 10 wallclock secs ( 9.22 usr + 0.01 sys = 9.23 CPU)
@ 108307.16/s (n=1000000)