Before: word1, word2, #18abcdefgh ,word4, #24qwer, word5
After:  word1, word2, <Binary block(1): 8 bytes> ,word4, <Binary block(2): 4 bytes>, word5


                          Rate re-match whole string           match #\d\d
re-match whole string  75230/s                    --                  -28%
match #\d\d           104315/s                   39%                    --