The custom patterns feature

Hello,

I'm using ReSharper v8.1 with Visual Studio 2012

I'm using the custom patterns feature to find code similar to the following

class $ClassName$ : $Attribute$
{
}

and replace it with this.

class $ClassName$Attribute : $Attribute$
{
}

Now, here some code I want it to replace

namespace Ace.Web.Mvc.Ajax
{
    using System.Diagnostics.Contracts;
    using System.Reflection;
    using System.Web.Mvc;
    
    [<Implementation>]
    public class AjaxOnly : ActionMethodSelectorAttribute
    {
        <Implementation>
    }
}

I have the following settings.

$ClassName$ : ^(?:[_a-zA-Z]+\w+(?<!Attribute))$
$Attribute$ : System.Attribute

The issue I'm having is that it takes away all the <Implementation> from the code I want to replace, how can I capture it? or at least make sure it touches only the part I want which is the name of the class?