Blocking Websites not working

hi guys,
just try to block websites and downloads on my hotspot but it seems not working.

i created layer 7 protocols with the ff regexp ^.+(kickass.to|isohunt).*$ for testing then put it on filter rules , with chain as forward and drop for actions. but it doesnt work. im using rb110ahx2, MikroTik RouterOS 5.24

tia.
ninja