i was need something similar for golang and i try to use regexes in those projects, but in eye of performance it wasnt good enough. sometimes i wish to underst

i was need something similar for golang and i try to use regexes in those projects, but in eye of performance it wasnt good enough. sometimes i wish to understand more deeply regexes. it maybe another way to speed up for golang like prefix tree instead of using regexes, any one know a something similar for golang?