We are Muslims, how lucky we are to be born as a Muslim. SubhanAllah!
As a human, everyone commits sins, no one is perfect. But do you know who is the best of sinner? SubhanAllah!
Our beloved Holy Prophet Muhammad (ﷺ) had said,
"All the sons of Adam are sinners, but the best of sinners are those who are given to repentance."
Whenever you have sinned and after sinning you regret it, it means that you have faith, it means that you are a Muslim that you are feeling bad after sinning. Repent to Allah he will surely forgive you. As Allah had said,
“Seek forgiveness of your Lord and repent to Him, (and) He will let you enjoy a good provision.” (Surah Hud : 3)