bigre: (?-xism:\b(?:create|drop|delete|update|insert)\b)
several_re: 5
one_re: 5
use_index: 5
                  Rate Several Regexp   With index() One Big Regexp
Several Regexp 24634/s             --           -24%           -50%
With index()   32367/s            31%             --           -34%
One Big Regexp 49358/s           100%            52%             --