Dreaming of feeling sorry could e a theme that affected you during your day. You might have faced a situation where you felt regret for something that happened. Your pride and ego may have stood in your way to speak about it. Your subconsciousness has retained this feeling of sorrow, and triggered this dream at night.
Feeling sorry may not mean you didn’t do the correct course of action. The latent meaning of feeling sorry could be a sense of helplessness, where you could not influence a different result.
Prompt – sorry.