2Co_7:10 For godly grief produces a repentance that leads to salvation without regret, whereas worldly grief produces death.
While your point is technically correct what you fail to include is that repentance and sorry travel like twin sisters. You cannot have one without the other. And we cannot be without either one and have salvation.
I think we are in agreement about this..but I will add...
Sorrow comes before repentance, I agree that repentance is different from sorrow. In fact, it's not necessary to feel sorrow in order to repent, because repentance can also come in response to God's kindness:
Romans 2:4: "Or do you show contempt for the riches of his kindness, tolerance and patience, not realizing that
God's kindness leads you toward repentance?"
Notice that if anyone is kind to us then we would be thankful for that kindness. So repentance does not need to involve sorrow or remorse for sins, it simply means that we have changed our mind about God.
Now, consider what needs to happen in order for an unsaved person to have faith in Jesus as his Savior. When he responds to the Gospel message, he changes his mind from his former unbelief about Jesus, and he makes the decision to place his faith in Jesus as his Savior. Notice that an unsaved person cannot have proper faith in Jesus without first having a change of mind about Jesus. That change of mind is repentance, as this Greek dictionary explains:
"Faith is the trustful commitment of oneself to God for forgiveness of sins, deliverance from sin, and victory over sin; but it is impossible to commit oneself thus to God without renouncing and turning away from all that is contrary to God. ... As eternal life is unattainable without faith, faith is unattainable without repentance." (The Complete Word Study Dictionary of the New Testament, Spiros Zodhiates, p.971-972)
This means that repentance is not a separate requirement for salvation in addition to proper faith, because proper faith involves repentance (in other words, proper faith involves a change of mind about Jesus).