diff --git a/src/AddIns/BackendBindings/Boo/BooBinding/Project/Src/InteractiveInterpreter.cs b/src/AddIns/BackendBindings/Boo/BooBinding/Project/Src/InteractiveInterpreter.cs
index 47edc53a11..ba44cbd1e7 100644
--- a/src/AddIns/BackendBindings/Boo/BooBinding/Project/Src/InteractiveInterpreter.cs
+++ b/src/AddIns/BackendBindings/Boo/BooBinding/Project/Src/InteractiveInterpreter.cs
@@ -3,7 +3,9 @@
 
 using System;
 using System.Reflection;
+using Boo.Lang.Compiler;
 using Boo.Lang.Interpreter;
+using Boo.Lang.Interpreter.Builtins;
 using ICSharpCode.SharpDevelop.Gui;
 
 namespace Grunwald.BooBinding
@@ -72,7 +74,12 @@ namespace Grunwald.BooBinding
 			}
 			processing = true;
 			try {
-				interpreter.Eval(command);
+				CompilerContext results = interpreter.Eval(command);
+				if (results.Errors.Count > 0) {
+					PrintLine("ERROR: " + results.Errors[0].Message);
+				} else if (interpreter.LastValue != null) {
+					PrintLine(ReprModule.repr(interpreter.LastValue));
+				}
 			} catch (System.Reflection.TargetInvocationException ex) {
 				PrintLine(ex.InnerException);
 			}
diff --git a/src/Libraries/AvalonEdit/ICSharpCode.AvalonEdit/Highlighting/Resources/Boo.xshd b/src/Libraries/AvalonEdit/ICSharpCode.AvalonEdit/Highlighting/Resources/Boo.xshd
index b3379ad764..8a2df03d4f 100644
--- a/src/Libraries/AvalonEdit/ICSharpCode.AvalonEdit/Highlighting/Resources/Boo.xshd
+++ b/src/Libraries/AvalonEdit/ICSharpCode.AvalonEdit/Highlighting/Resources/Boo.xshd
@@ -1,6 +1,7 @@
 <SyntaxDefinition name="Boo" extensions=".boo" xmlns="http://icsharpcode.net/sharpdevelop/syntaxdefinition/2008">
 	<Color name="Comment" foreground="Green" />
 	<Color name="String" foreground="Blue" />
+	<Color name="Regex" foreground="#FFFF6600" />
 	<RuleSet>
 		<Span color="Comment" multiline="true">
 			<Begin>"""</Begin>
@@ -35,14 +36,14 @@
 				<Span begin="\\" end="." />
 			</RuleSet>
 		</Span>
-		<Span foreground="#FFFF6600" multiline="true">
+		<Span color="Regex" multiline="true">
 			<Begin>@/</Begin>
 			<End>/</End>
 		</Span>
-		<Span foreground="#FFFF6600">
-			<Begin>/(?!(\ ))</Begin>
-			<End>/</End>
-		</Span>
+		<!-- regex rule must be in front of any keywords -->
+		<Rule color="Regex">
+			/\S+/
+		</Rule>
 		<Keywords foreground="Black" fontWeight="bold">
 			<Word>self</Word>
 			<Word>super</Word>