Antifa are not anarchists. They believe in government. They just want it to look different than it does in America. Anarchists are non-violent and believe in the absolute freedom of the individual over any power structure.
https://www.washingtonpost.com/news/morning-mix/wp/2017/08/28/black-clad-antifa-attack-right-wing-demonstrators-in-berkeley/?tid=sm_tw&utm_term=.e6f3c46b00c9
