RB-750 - I forward 443 port and it block all HTTPS sites access, and give eception for one site by ip in nat rules and it opened. I need to block some subdomains on this site. I try to made it with L7 - content, filter by word but it’s not working. if i write in regexp word which i want to block it not working. I dont know how to make regexp text. need help 
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nobody can help 
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