You “feel sorry” about what happened. Does that mean you’ve repented? Not necessarily. The Bible talks about “godly sorrow,” the kind of sorrow that leads to repentance. Pastor Colin talks about what “godly sorrow” is.
Scripture: 2 Corinthians 7:9-10
9 As it is, I rejoice, not because you were grieved, but because you were grieved into repenting. For you felt a godly grief, so that you suffered no loss through us.
10 For godly grief produces a repentance that leads to salvation without regret, whereas worldly grief produces death.