Fixed: Strip additional domains from release names

(cherry picked from commit e273f16c3905e0c2451f43cf98b9b7ad1cbdc777)

Closes #3738

src/NzbDrone.Core/Parser/Parser.cs

@@ -168,11 +168,13 @@ namespace NzbDrone.Core.Parser
                                                                 string.Empty,
                                                                 RegexOptions.IgnoreCase | RegexOptions.Compiled);
 
-        private static readonly RegexReplace WebsitePrefixRegex = new RegexReplace(@"^\[\s*[-a-z]+(\.[a-z]+)+\s*\][- ]*|^www\.[a-z]+\.(?:com|net|org)[ -]*",
+        // Valid TLDs http://data.iana.org/TLD/tlds-alpha-by-domain.txt
+
+        private static readonly RegexReplace WebsitePrefixRegex = new RegexReplace(@"^(?:\[\s*)?(?:www\.)?[-a-z0-9-]{1,256}\.(?:[a-z]{2,6}\.[a-z]{2,6}|xn--[a-z0-9-]{4,}|[a-z]{2,})\b(?:\s*\]|[ -]{2,})[ -]*",
                                                                 string.Empty,
                                                                 RegexOptions.IgnoreCase | RegexOptions.Compiled);
 
-        private static readonly RegexReplace WebsitePostfixRegex = new RegexReplace(@"\[\s*[-a-z]+(\.[a-z0-9]+)+\s*\]$",
+        private static readonly RegexReplace WebsitePostfixRegex = new RegexReplace(@"(?:\[\s*)?(?:www\.)?[-a-z0-9-]{1,256}\.(?:xn--[a-z0-9-]{4,}|[a-z]{2,6})\b(?:\s*\])$",
                                                                 string.Empty,
                                                                 RegexOptions.IgnoreCase | RegexOptions.Compiled);