Validate Radio Button AngularJS

Question

This seems like it should be fairly easy, but I\'m not finding the answer. I have a form where I need to validate that a selection has been made from a radio group. I trie

Answer 1

Try using ng-required="!color". This makes it so that the field is only required when the value is not set. If a value is set, then required is removed and it will pass validation.

  Red 

 Green 

 Blue 

Here is an updated plunker that demonstrates that the form now validates correctly: http://plnkr.co/edit/EdItU2IIkO1KIsC052Xx?p=preview

Update

e-cloud's answer is simple and doesn't require an additional directive. I suggest everyone use that method if possible. Leaving this answer here as it does provide a working solution and demonstrates the use of the ng-required directive.