I wrote a set of directives that make validation in AngularJS a tad simpler.

The directives are available at

https://github.com/technovert/angular-validation

I have detailed about the directives on my company website

http://blog.technovert.com/2014/03/angularjs-form-validation-library-directives/

and there is also a jsfiddle to play with

http://jsfiddle.net/3vxgy/1/

or