From f00d3046cc6fee01a9ccb0fb8d3830c33f66cd1b Mon Sep 17 00:00:00 2001
From: Mark McDowall <mark@mcdowall.ca>
Date: Fri, 26 May 2023 19:36:50 -0700
Subject: [PATCH] Fixed: Strip additional domains from release names

(cherry picked from commit e273f16c3905e0c2451f43cf98b9b7ad1cbdc777)

Closes #3738
---
 src/NzbDrone.Core/Parser/Parser.cs | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/NzbDrone.Core/Parser/Parser.cs b/src/NzbDrone.Core/Parser/Parser.cs
index 12b06d816..35cc34356 100644
--- a/src/NzbDrone.Core/Parser/Parser.cs
+++ b/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);