New: Parse anime version with a space before 'v'

(cherry picked from commit e9123982f33ab35ca022f91f345da05fef23d6dc)

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

@@ -0,0 +1,24 @@
+using FluentAssertions;
+using NUnit.Framework;
+using NzbDrone.Core.Parser;
+using NzbDrone.Core.Qualities;
+using NzbDrone.Core.Test.Framework;
+
+namespace NzbDrone.Core.Test.ParserTests
+{
+    [TestFixture]
+    public class AnimeVersionFixture : CoreTest
+    {
+        [TestCase("Anime Title - S01E01 - (BD 1080p HEVC FLAC) [Dual Audio] [Group]", 1)]
+        [TestCase("Anime Title - S01E01v2 - (BD 1080p HEVC FLAC) [Dual Audio] [Group]", 2)]
+        [TestCase("Anime Title - S01E01 v2 - (BD 1080p HEVC FLAC) [Dual Audio] [Group]", 2)]
+        [TestCase("[SubsPlease] Anime Title - 01 (1080p) [B1F227CF]", 1)]
+        [TestCase("[SubsPlease] Anime Title - 01v2 (1080p) [B1F227CF]", 2)]
+        [TestCase("[SubsPlease] Anime Title - 01 v2 (1080p) [B1F227CF]", 2)]
+        public void should_be_able_to_parse_repack(string title, int version)
+        {
+            var result = QualityParser.ParseQuality(title);
+            result.Revision.Version.Should().Be(version);
+        }
+    }
+}

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

@@ -7,7 +7,6 @@ using NzbDrone.Core.Test.Framework;
 namespace NzbDrone.Core.Test.ParserTests
 {
     [TestFixture]
-
     public class QualityParserFixture : CoreTest
     {
         [SetUp]

src/NzbDrone.Core/Parser/QualityParser.cs

@@ -50,7 +50,7 @@ namespace NzbDrone.Core.Parser
         private static readonly Regex RepackRegex = new Regex(@"\b(?<repack>repack|rerip)\b",
                                                                 RegexOptions.Compiled | RegexOptions.IgnoreCase);
 
-        private static readonly Regex VersionRegex = new Regex(@"\dv(?<version>\d)\b|\[v(?<version>\d)\]",
+        private static readonly Regex VersionRegex = new Regex(@"\d[-._ ]?v(?<version>\d)[-._ ]|\[v(?<version>\d)\]",
                                                                 RegexOptions.Compiled | RegexOptions.IgnoreCase);
 
         private static readonly Regex RealRegex = new Regex(@"\b(?<real>REAL)\b",