Fix episode parser

Emby.Naming/Common/NamingOptions.cs

@@ -277,7 +277,7 @@ namespace Emby.Naming.Common
                     IsNamed = true
                 },
 
-                new EpisodeExpression("[\\\\/\\._ \\[\\(-]([0-9]+)x([0-9]+(?:(?:[a-i]|\\.[1-9])(?![0-9]))?)([^\\\\/]*)$")
+                new EpisodeExpression(@"[\\\/\._ \[\(-]([0-9]+)x([0-9]+(?:(?:[a-i]|\.[1-9])(?![0-9]))?)([^\\\/]*)$")
                 {
                     SupportsAbsoluteEpisodeNumbers = true
                 },
@@ -305,6 +305,12 @@ namespace Emby.Naming.Common
 
                 // *** End Kodi Standard Naming
 
+                // "Episode 16", "Episode 16 - Title"
+                new EpisodeExpression(@"[Ee]pisode (?<epnumber>[0-9]+)(-(?<endingepnumber>[0-9]+))?[^\\\/]*$")
+                {
+                    IsNamed = true
+                },
+
                 new EpisodeExpression(@".*(\\|\/)[sS]?(?<seasonnumber>[0-9]+)[xX](?<epnumber>[0-9]+)[^\\\/]*$")
                 {
                     IsNamed = true
@@ -362,12 +368,6 @@ namespace Emby.Naming.Common
                     IsOptimistic = true,
                     IsNamed = true
                 },
-                // "Episode 16", "Episode 16 - Title"
-                new EpisodeExpression(@".*[\\\/][^\\\/]* (?<epnumber>[0-9]{1,3})(-(?<endingepnumber>[0-9]{2,3}))*[^\\\/]*$")
-                {
-                    IsOptimistic = true,
-                    IsNamed = true
-                }
             };
 
             EpisodeWithoutSeasonExpressions = new[]

tests/Jellyfin.Naming.Tests/TV/EpisodeNumberTests.cs

@@ -70,7 +70,8 @@ namespace Jellyfin.Naming.Tests.TV
         [InlineData("Log Horizon 2/[HorribleSubs] Log Horizon 2 - 03 [720p].mkv", 3)] // digit in series name
         [InlineData("Season 1/seriesname 05.mkv", 5)] // no hyphen between series name and episode number
         [InlineData("[BBT-RMX] Ranma ½ - 154 [50AC421A].mkv", 154)] // hyphens in the pre-name info, triple digit episode number
-        // TODO: [InlineData("Case Closed (1996-2007)/Case Closed - 317.mkv", 317)] // triple digit episode number
+        [InlineData("Season 2/Episode 21 - 94 Meetings.mp4", 21)] // Title starts with a number
+        // [InlineData("Case Closed (1996-2007)/Case Closed - 317.mkv", 317)] // triple digit episode number
         // TODO: [InlineData("Season 2/16 12 Some Title.avi", 16)]
         // TODO: [InlineData("/The.Legend.of.Condor.Heroes.2017.V2.web-dl.1080p.h264.aac-hdctv/The.Legend.of.Condor.Heroes.2017.E07.V2.web-dl.1080p.h264.aac-hdctv.mkv", 7)]
         // TODO: [InlineData("Season 4/Uchuu.Senkan.Yamato.2199.E03.avi", 3)]