Fixed regex incompatible with mono.

src/NzbDrone.Core/Parser/Parser.cs

@@ -59,15 +59,15 @@ namespace NzbDrone.Core.Parser
                           RegexOptions.IgnoreCase | RegexOptions.Compiled),
 
                 //Multi-episode Repeated (S01E05 - S01E06, 1x05 - 1x06, etc)
-                new Regex(@"^(?<title>.+?)(?:[_\W-[\[\]()]]+S?(?<season>(?<!\d+)(?:\d{1,2}|\d{4})(?!\d+))(?:(?:[ex]){1,2}(?<episode>\d{1,3}(?!\d+)))+){2,}",
+                new Regex(@"^(?<title>.+?)(?:(?:[_\W](?<![(\[]))+S?(?<season>(?<!\d+)(?:\d{1,2}|\d{4})(?!\d+))(?:(?:[ex]){1,2}(?<episode>\d{1,3}(?!\d+)))+){2,}",
                           RegexOptions.IgnoreCase | RegexOptions.Compiled),
 
                 //Episodes with a title, Single episodes (S01E05, 1x05, etc) & Multi-episode (S01E05E06, S01E05-06, S01E05 E06, etc) **
-                new Regex(@"^(?<title>.+?)(?:[_\W-[\[\]()]]+S?(?<season>(?<!\d+)(?:\d{1,2}|\d{4})(?!\d+))(?:[ex]|\W[ex]|_){1,2}(?<episode>\d{2,3}(?!\d+))(?:(?:\-|[ex]|\W[ex]|_){1,2}(?<episode>\d{2,3}(?!\d+)))*)\W?(?!\\)",
+                new Regex(@"^(?<title>.+?)(?:(?:[_\W](?<![(\[]))+S?(?<season>(?<!\d+)(?:\d{1,2}|\d{4})(?!\d+))(?:[ex]|\W[ex]|_){1,2}(?<episode>\d{2,3}(?!\d+))(?:(?:\-|[ex]|\W[ex]|_){1,2}(?<episode>\d{2,3}(?!\d+)))*)\W?(?!\\)",
                           RegexOptions.IgnoreCase | RegexOptions.Compiled),
 
                 //Supports 103/113 naming
-                new Regex(@"^(?<title>.+?)?(?:[_\W-[\[\]()]](?<season>(?<!\d+)[1-9])(?<episode>[1-9][0-9]|[0][1-9])(?![a-z]|\d+))+",
+                new Regex(@"^(?<title>.+?)?(?:(?:[_\W](?<![(\[]))(?<season>(?<!\d+)[1-9])(?<episode>[1-9][0-9]|[0][1-9])(?![a-z]|\d+))+",
                           RegexOptions.IgnoreCase | RegexOptions.Compiled),
 
                 //Mini-Series, treated as season 1, episodes are labelled as Part01, Part 01, Part.1