Following example ends with an error. Please add support for enum operators.

var target = new Interpreter();
target.Reference(typeof(Regex));
target.Reference(typeof(RegexOptions));
target.Eval("new Regex(\"x\", RegexOptions.Compiled | RegexOptions.Singleline)");

The binary operator Or is not defined for the types 'System.Text.RegularExpressions.RegexOptions' and 'System.Text.RegularExpressions.RegexOptions'.'