Perhaps you should not rush to visit dating sites to find a new relationship. Are you sure that your ex-girlfriend does not want you back? For example, I learned that a sign that she wants you back is a sudden interest in your activities. There are other signs that you should pay attention to. In this article https://www.articlesfactory.com/articles/dating-advice/10-signs-she-regrets-losing-you-does-she-still-love-you.html you can learn more about how to understand that the girl wants you back.