Fixed: Apostrophe getting replaced by an empty string causing no search results.

Fixes #1505

src/NzbDrone.Core/Parser/Parser.cs

@@ -313,7 +313,7 @@ namespace NzbDrone.Core.Parser
         private static readonly Regex YearInTitleRegex = new Regex(@"^(?<title>.+?)(?:\W|_)?(?<year>\d{4})",
                                                                 RegexOptions.IgnoreCase | RegexOptions.Compiled);
 
-        private static readonly Regex WordDelimiterRegex = new Regex(@"(\s|\.|,|_|-|=|\|)+", RegexOptions.Compiled);
+        private static readonly Regex WordDelimiterRegex = new Regex(@"(\s|\.|,|_|-|=|'|\|)+", RegexOptions.Compiled);
         private static readonly Regex SpecialCharRegex = new Regex(@"(\&|\:|\\|\/)+", RegexOptions.Compiled);
         private static readonly Regex PunctuationRegex = new Regex(@"[^\w\s]", RegexOptions.Compiled);
         private static readonly Regex CommonWordRegex = new Regex(@"\b(a|an|the|and|or|of)\b\s?", RegexOptions.IgnoreCase | RegexOptions.Compiled);