diff --git a/src/NzbDrone.Core.Test/ParserTests/ParserFixture.cs b/src/NzbDrone.Core.Test/ParserTests/ParserFixture.cs
index 71e1b1d39..82b77c0b2 100644
--- a/src/NzbDrone.Core.Test/ParserTests/ParserFixture.cs
+++ b/src/NzbDrone.Core.Test/ParserTests/ParserFixture.cs
@@ -43,7 +43,8 @@ public void should_remove_accents_from_title()
 		[TestCase("To.Live.and.Die.in.L.A.1985.1080p.BluRay", "To Live and Die in L.A.")]
 		[TestCase("A.I.Artificial.Intelligence.(2001)", "A.I. Artificial Intelligence")]
 		[TestCase("A.Movie.Name.(1998)", "A Movie Name")]
-		[TestCase("Thor: The Dark World 2013", "Thor The Dark World")]
+        [TestCase("www.Torrenting.com - Revenge.2008.720p.X264-DIMENSION", "Revenge")]
+        [TestCase("Thor: The Dark World 2013", "Thor The Dark World")]
         [TestCase("Resident.Evil.The.Final.Chapter.2016", "Resident Evil The Final Chapter")]
         [TestCase("Der.Soldat.James.German.Bluray.FuckYou.Pso.Why.cant.you.follow.scene.rules.1998", "Der Soldat James")]
         [TestCase("Passengers.German.DL.AC3.Dubbed..BluRay.x264-PsO", "Passengers")]
diff --git a/src/NzbDrone.Core.Test/ParserTests/ReleaseGroupParserFixture.cs b/src/NzbDrone.Core.Test/ParserTests/ReleaseGroupParserFixture.cs
index 064546491..0690e4d6e 100644
--- a/src/NzbDrone.Core.Test/ParserTests/ReleaseGroupParserFixture.cs
+++ b/src/NzbDrone.Core.Test/ParserTests/ReleaseGroupParserFixture.cs
@@ -26,6 +26,9 @@ public class ReleaseGroupParserFixture : CoreTest
         [TestCase("[ www.Torrenting.com ] - Revenge.S03E14.720p.HDTV.X264-DIMENSION", "DIMENSION")]
         [TestCase("Seed S02E09 HDTV x264-2HD [eztv]-[rarbg.com]", "2HD")]
         [TestCase("7s-atlantis-s02e01-720p.mkv", null)]
+        [TestCase("The.Middle.720p.HEVC.x265-MeGusta-Pre", "MeGusta")]
+        [TestCase("Haunted.Hayride.2018.720p.WEBRip.DDP5.1.x264-NTb-postbot", "NTb")]
+        [TestCase("Haunted.Hayride.2018.720p.WEBRip.DDP5.1.x264-NTb-xpost", "NTb")]
         //[TestCase("", "")]
         public void should_parse_release_group(string title, string expected)
         {
diff --git a/src/NzbDrone.Core/Parser/Parser.cs b/src/NzbDrone.Core/Parser/Parser.cs
index b296c2918..7a9b176d4 100644
--- a/src/NzbDrone.Core/Parser/Parser.cs
+++ b/src/NzbDrone.Core/Parser/Parser.cs
@@ -101,7 +101,7 @@ public static class Parser
 
         private static readonly Regex SimpleReleaseTitleRegex = new Regex(@"\s*(?:[<>?*:|])", RegexOptions.Compiled | RegexOptions.IgnoreCase);
 
-        private static readonly Regex WebsitePrefixRegex = new Regex(@"^\[\s*[a-z]+(\.[a-z]+)+\s*\][- ]*",
+        private static readonly Regex WebsitePrefixRegex = new Regex(@"^\[\s*[a-z]+(\.[a-z]+)+\s*\][- ]*|^www\.[a-z]+\.(?:com|net)[ -]*",
                                                                    RegexOptions.IgnoreCase | RegexOptions.Compiled);
 
         private static readonly Regex AirDateRegex = new Regex(@"^(.*?)(?<!\d)((?<airyear>\d{4})[_.-](?<airmonth>[0-1][0-9])[_.-](?<airday>[0-3][0-9])|(?<airmonth>[0-1][0-9])[_.-](?<airday>[0-3][0-9])[_.-](?<airyear>\d{4}))(?!\d)",
@@ -110,7 +110,7 @@ public static class Parser
         private static readonly Regex SixDigitAirDateRegex = new Regex(@"(?<=[_.-])(?<airdate>(?<!\d)(?<airyear>[1-9]\d{1})(?<airmonth>[0-1][0-9])(?<airday>[0-3][0-9]))(?=[_.-])",
                                                                         RegexOptions.IgnoreCase | RegexOptions.Compiled);
 
-        private static readonly Regex CleanReleaseGroupRegex = new Regex(@"^(.*?[-._ ](S\d+E\d+)[-._ ])|(-(RP|1|NZBGeek|Obfuscated|sample))+$",
+        private static readonly Regex CleanReleaseGroupRegex = new Regex(@"^(.*?[-._ ](S\d+E\d+)[-._ ])|(-(RP|1|NZBGeek|Obfuscated|sample|Pre|postbot|xpost))+$",
                                                                 RegexOptions.IgnoreCase | RegexOptions.Compiled);
 
         private static readonly Regex CleanTorrentSuffixRegex = new Regex(@"\[(?:ettv|rartv|rarbg|cttv)\]$",