In 4096 words, 16 are 'abcb'
       Rate uccmp regex
uccmp 200/s    --  -74%
regex 767/s  283%    --
In 4096 words, 0 are 'abcb'
       Rate uccmp regex
uccmp 200/s    --  -74%
regex 756/s  278%    --
In 4096 words, 4096 are 'abcb'
       Rate uccmp regex
uccmp 206/s    --  -66%
regex 603/s  193%    --