test: regex vhost file names

test/test_htpasswd/test_htpasswd_regex_virtual_host.yml

@@ -0,0 +1,17 @@
+version: "2"
+
+services:
+  regex:
+    image: web
+    expose:
+      - "80"
+    environment:
+      WEB_PORTS: 80
+      VIRTUAL_HOST: ~^regex.*\.nginx-proxy\.example$
+
+  sut:
+    container_name: sut
+    image: nginxproxy/nginx-proxy:test
+    volumes:
+      - /var/run/docker.sock:/tmp/docker.sock:ro
+      - ./htpasswd:/etc/nginx/htpasswd:ro