I am trying to set a numeric code range (versus entering string characters) for the restrict property of a text field. The documentation states that this can be achieved via the unicode escape sequence, such as "\u0030-\u0039". But I cannot get this to work.
Even trying single character such as <mx:TextInput id="tt" width="100%" restrict="\u0030"/> is failing. As I understand it, this should only allow the number 0 to be entered, but it does not work. Instead, I am able to enter 0, 3, and u, so the \u seems to be ignored. Am I missing something simple?
