Benchmark: running lc, regex for at least 30 CPU seconds...
        lc: 31.4462 wallclock secs (31.45 usr  0.00 sys +  0.00 cusr  0.00 csys = 31.45 CPU) @ 26138.57/s (n=822058)
     regex: 31.8579 wallclock secs (31.86 usr  0.00 sys +  0.00 cusr  0.00 csys = 31.86 CPU) @ 14326.49/s (n=456442)
         Rate regex    lc
regex 14326/s    --  -45%
lc    26139/s   82%    --