rewrite of indexer/episode search

NzbDrone.Core/IndexerSearch/Definitions/SearchDefinitionBase.cs

@@ -0,0 +1,38 @@
+using System;
+using System.Text.RegularExpressions;
+
+namespace NzbDrone.Core.IndexerSearch.Definitions
+{
+    public abstract class SearchDefinitionBase
+    {
+        private static readonly Regex NoneWord = new Regex(@"[\W]", RegexOptions.IgnoreCase | RegexOptions.Compiled);
+        private static readonly Regex BeginningThe = new Regex(@"^the\s", RegexOptions.IgnoreCase | RegexOptions.Compiled);
+
+        public int SeriesId { get; set; }
+        public string SceneTitle { get; set; }
+
+        public string QueryTitle
+        {
+            get
+            {
+                return GetQueryTitle(SceneTitle);
+            }
+        }
+
+        private static string GetQueryTitle(string title)
+        {
+            var cleanTitle = BeginningThe.Replace(title, String.Empty);
+
+            cleanTitle = cleanTitle
+                .Replace("&", "and")
+                .Replace("`", "")
+                .Replace("'", "");
+
+            cleanTitle = NoneWord.Replace(cleanTitle, "+");
+
+            //remove any repeating +s
+            cleanTitle = Regex.Replace(cleanTitle, @"\+{2,}", "+");
+            return cleanTitle.Trim('+', ' ');
+        }
+    }
+}