Fixed: Parsing separated season and episode numbers (S01 - E01)

Closes #1320

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

@@ -120,6 +120,7 @@ namespace NzbDrone.Core.Test.ParserTests
         [TestCase("Ken.Burns.The.Civil.War.5of9.The.Universe.Of.Battle.1990.DVDRip.x264-HANDJOB", "Ken Burns The Civil War", 1, 5)]
         [TestCase("Judge Judy 2016 02 25 S20E142", "Judge Judy", 20, 142)]
         [TestCase("Judge Judy 2016 02 25 S20E143", "Judge Judy", 20, 143)]
+        [TestCase("Red Dwarf - S02 - E06 - Parallel Universe", "Red Dwarf", 2, 6)]
         //[TestCase("", "", 0, 0)]
         public void should_parse_single_episode(string postTitle, string title, int seasonNumber, int episodeNumber)
         {

src/NzbDrone.Core/Parser/Parser.cs

@@ -114,6 +114,10 @@ namespace NzbDrone.Core.Parser
                 new Regex(@"^(?:(?<title>.+?)(?:_|-|\s|\.)+)(?:S?(?<season>(?<!\d+)\d{1,2}(?!\d+)))(?:(?:[-_. ]{1,3}ep){1,2}(?<episode>(?<!\d+)\d{5}(?!\d+)))+",
                           RegexOptions.IgnoreCase | RegexOptions.Compiled),
 
+                // Separated season and episode numbers S01 - E01
+                new Regex(@"^(?<title>.+?)\WS(?<season>\d{2}(?!\d+))(\W-\W)E(?<episode>(?<!\d+)\d{2}(?!\d+))(?!\\)",
+                          RegexOptions.IgnoreCase | RegexOptions.Compiled),
+
                 //Season only releases
                 new Regex(@"^(?<title>.+?)\W(?:S|Season)\W?(?<season>\d{1,2}(?!\d+))(\W+|_|$)(?<extras>EXTRAS|SUBPACK)?(?!\\)",
                           RegexOptions.IgnoreCase | RegexOptions.Compiled),