How do i make a regex for path?

Current config:

services:
  traefik:
    image: traefik:latest
    container_name: traefik
    restart: unless-stopped
    networks:
      - web
    ports:
      - "80:80"
      - "443:443"
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock:ro
      - ./traefik/traefik.yml:/traefik.yml:ro
      - ./traefik/acme.json:/acme.json
    labels:
      - "traefik.enable=true"
      - "traefik.http.routers.traefik.rule=Host(`traefik.x.x`)"
      - "traefik.http.routers.traefik.entrypoints=websecure"
      - "traefik.http.routers.traefik.service=api@internal"
      - "traefik.http.routers.traefik.tls.certresolver=letsencrypt"
      - "traefik.http.services.traefik.loadbalancer.server.port=8080"

  chibisafe:
    image: chibisafe/chibisafe:latest
    environment:
      - BASE_API_URL=http://chibisafe_server:8000
    networks:
      - web
    restart: unless-stopped
    labels:
      - "traefik.enable=true"
      - "traefik.http.routers.chibisafe.rule=Host(`img.x.x`)"
      - "traefik.http.routers.chibisafe.entrypoints=websecure"
      - "traefik.http.routers.chibisafe.tls.certresolver=letsencrypt"
      - "traefik.http.services.chibisafe.loadbalancer.server.port=8001"

  chibisafe_server:
    image: chibisafe/chibisafe-server:latest
    volumes:
      - /mnt/HC_Volume_102355557/chibisafe/database:/app/database:rw
      - /mnt/HC_Volume_102355557/chibisafe/uploads:/app/uploads:rw
      - /mnt/HC_Volume_102355557/chibisafe/logs:/app/logs:rw
    networks:
      - web
    restart: unless-stopped
    labels:
      - "traefik.enable=true"
      - "traefik.http.routers.chibisafe-api.rule=Host(`img.x.x`) && Path(`/api`)"
      - "traefik.http.routers.chibisafe-api.entrypoints=websecure"
      - "traefik.http.routers.chibisafe-api.tls.certresolver=letsencrypt"
      - "traefik.http.services.chibisafe-api.loadbalancer.server.port=8000"

  sfs:
    image: halverneus/static-file-server:v1.8.3
    volumes:
      - "/mnt/HC_Volume_102355557/chibisafe/uploads:/web"
    networks:
      - web
    labels:
      - "traefik.enable=true"
      - "traefik.http.routers.sfs.rule=Host(`img.x.x`) && Path(`/`)"
      - "traefik.http.routers.sfs.entrypoints=websecure"
      - "traefik.http.routers.sfs.tls.certresolver=letsencrypt"
      - "traefik.http.services.sfs.loadbalancer.server.port=8080"


networks:
  web:
    external: true

Now, for sfs my previous config was on nginx with virtual path with this check:

~*\.(png|jpe?g|gif|webp|mp4|webm|pdf|zip|txt|json|svg|ico|ogg|mp3|wav)$

How can i do the same with traefik on sfs ?

Check Traefik router rule PathRegexp().