Fixed: Sequential series have proper clean titles

src/NzbDrone.Core.Test/ParserTests/ParserFixture.cs

@@ -34,7 +34,7 @@ namespace NzbDrone.Core.Test.ParserTests
         [TestCase("The.Girls.Next.Door.S03E06.DVDRip.XviD-WiDE", "The.Girls.Next.Door", 3, 6)]
         [TestCase("Degrassi.S10E27.WS.DSR.XviD-2HD", "Degrassi", 10, 27)]
         [TestCase("Parenthood.2010.S02E14.HDTV.XviD-LOL", "Parenthood 2010", 2, 14)]
-        [TestCase("Hawaii Five 0 S01E19 720p WEB DL DD5 1 H 264 NT", "Hawaii Five", 1, 19)]
+        [TestCase("Hawaii Five 0 S01E19 720p WEB DL DD5 1 H 264 NT", "Hawaii Five 0", 1, 19)]
         [TestCase("The Event S01E14 A Message Back 720p WEB DL DD5 1 H264 SURFER", "The Event", 1, 14)]
         [TestCase("Adam Hills In Gordon St Tonight S01E07 WS PDTV XviD FUtV", "Adam Hills In Gordon St Tonight", 1, 7)]
         [TestCase("Adam Hills In Gordon St Tonight S01E07 WS PDTV XviD FUtV", "Adam Hills In Gordon St Tonight", 1, 7)]
@@ -373,6 +373,9 @@ namespace NzbDrone.Core.Test.ParserTests
         [TestCase("The Venture Bros. (2004)", "venturebros2004")]
         [TestCase("Castle (2011)", "castle2011")]
         [TestCase("Adventure Time S02 720p HDTV x264 CRON", "adventuretime")]
+        [TestCase("Hawaii Five 0", "hawaiifive0")]
+        [TestCase("Match of the Day", "matchday")]
+        [TestCase("Match of the Day 2", "matchday2")]
         public void parse_series_name(string postTitle, string title)
         {
             var result = Parser.Parser.ParseSeriesName(postTitle);
@@ -412,7 +415,7 @@ namespace NzbDrone.Core.Test.ParserTests
             result.Language.Should().Be(language);
         }
 
-        [TestCase("Hawaii Five 0 S01 720p WEB DL DD5 1 H 264 NT", "Hawaii Five", 1)]
+        [TestCase("Hawaii Five 0 S01 720p WEB DL DD5 1 H 264 NT", "Hawaii Five 0", 1)]
         [TestCase("30 Rock S03 WS PDTV XviD FUtV", "30 Rock", 3)]
         [TestCase("The Office Season 4 WS PDTV XviD FUtV", "The Office", 4)]
         [TestCase("Eureka Season 1 720p WEB DL DD 5 1 h264 TjHD", "Eureka", 1)]

src/NzbDrone.Core/Housekeeping/Housekeepers/UpdateCleanTitleForSeries.cs

@@ -0,0 +1,32 @@
+using System.Linq;
+using NLog;
+using NzbDrone.Core.Parser;
+using NzbDrone.Core.Tv;
+
+namespace NzbDrone.Core.Housekeeping.Housekeepers
+{
+    public class UpdateCleanTitleForSeries : IHousekeepingTask
+    {
+        private readonly ISeriesRepository _seriesRepository;
+        private readonly Logger _logger;
+
+        public UpdateCleanTitleForSeries(ISeriesRepository seriesRepository, Logger logger)
+        {
+            _seriesRepository = seriesRepository;
+            _logger = logger;
+        }
+
+        public void Clean()
+        {
+            _logger.Trace("Updating CleanTitle for all series");
+
+            var series = _seriesRepository.All().ToList();
+
+            series.ForEach(s =>
+            {
+                s.CleanTitle = s.CleanTitle.CleanSeriesTitle();
+                _seriesRepository.Update(s);
+            });
+        }
+    }
+}

src/NzbDrone.Core/NzbDrone.Core.csproj

@@ -256,6 +256,7 @@
     <Compile Include="Housekeeping\Housekeepers\CleanupOrphanedHistoryItems.cs" />
     <Compile Include="Housekeeping\Housekeepers\CleanupOrphanedEpisodeFiles.cs" />
     <Compile Include="Housekeeping\Housekeepers\CleanupAdditionalNamingSpecs.cs" />
+    <Compile Include="Housekeeping\Housekeepers\UpdateCleanTitleForSeries.cs" />
     <Compile Include="Housekeeping\Housekeepers\FixFutureRunScheduledTasks.cs" />
     <Compile Include="Housekeeping\HousekeepingCommand.cs" />
     <Compile Include="Housekeeping\HousekeepingService.cs" />

src/NzbDrone.Core/Parser/Parser.cs

@@ -100,7 +100,7 @@ namespace NzbDrone.Core.Parser
                     RegexOptions.IgnoreCase | RegexOptions.Compiled)
             };
 
-        private static readonly Regex NormalizeRegex = new Regex(@"((^|\W|_)(a|an|the|and|or|of)($|\W|_))|\W|_|(?:(?<=[^0-9]+)|\b)(?!(?:19\d{2}|20\d{2}))\d+(?=[^0-9ip]+|\b)",
+        private static readonly Regex NormalizeRegex = new Regex(@"(\b(a|an|the|and|or|of)\b)|\W|_",
                                                                  RegexOptions.IgnoreCase | RegexOptions.Compiled);
 
         private static readonly Regex SimpleTitleRegex = new Regex(@"480[i|p]|720[i|p]|1080[i|p]|[x|h|x\s|h\s]264|DD\W?5\W1|\<|\>|\?|\*|\:|\|",