Finished scene explorer, lots of cleanups. Inspector and Search left now.

src/UI/Main/Console/Lexer/MatchLexer.cs

@@ -0,0 +1,31 @@
+using System.Collections.Generic;
+using ExplorerBeta.Unstrip.ColorUtility;
+using UnityEngine;
+
+namespace ExplorerBeta.UI.Main.Console.Lexer
+{
+    public abstract class MatchLexer
+    {
+        public abstract Color HighlightColor { get; }
+
+        public string HexColor => htmlColor ?? (htmlColor = "<#" + HighlightColor.ToHex() + ">");
+        private string htmlColor = null;
+
+        public virtual IEnumerable<char> StartChars { get { yield break; } }
+        public virtual IEnumerable<char> EndChars { get { yield break; } }
+
+        public abstract bool IsImplicitMatch(ILexer lexer);
+
+        public bool IsMatch(ILexer lexer)
+        {
+            if (IsImplicitMatch(lexer))
+            {
+                lexer.Commit();
+                return true;
+            }
+
+            lexer.Rollback();
+            return false;
+        }
+    }
+}