Евгений

>\s*(.*?):[^>]*>\s*([^<]*?)\s*<.*?>([^<>]*?):[^>]*>\s*([^<]*?)\s*<.*?>([^<>]*?):[^>]*>\s*([^<]*?)\s*$

upstream upserv {
              least_conn;
              server serv_ip:8080 weight=10 max_fails=3 fail_timeout=30s;
        }
        
	server{
           listen 80;
           server_name domain.ru;
          
          location / {	  
           proxy_pass http://upserv;
           proxy_http_version 1.1;
           proxy_set_header Upgrade $http_upgrade;
           proxy_set_header Connection 'upgrade';
           proxy_set_header Host $host;
           proxy_cache_bypass $http_upgrade;
              
        }
}