add GenericHttpRegexSource provider

settings/config.toml

@@ -1,4 +1,4 @@
-debug = true
+debug = false
 require_ipv4 = true
 
 [sources]
@@ -8,6 +8,10 @@ require_ipv4 = true
     provider = "WTFIsMyIP"
   [sources.ipsb]
     provider = "IPSB"
+  [sources.checkip_dyndns]
+    provider = "GenericHttpRegexSource"
+    url_v4 = "http://checkip.dyndns.org/"
+    #regex_v4 = "\\b\\d{1,3}(\\.\\d{1,3}){3}\\b"
   [sources.ifconfig]
     provider = "GenericHttpSource"
     url_v4 = "https://ifconfig.me/ip"