rewrote matching algorithm again. It now rocks!
rewrote matching algorithm again. It now rocks!

http://regex101.com/r/sK4vO1

xepan/atk4,atk4/atk4,svisystem/atk4,samratcis/atk4,svisystem/atk4,atk4/atk4,atk4/atk4,svisystem/atk4,samratcis/atk4,xepan/atk4,xepan/atk4,atk4/atk4,samratcis/atk4