NT.filter - rsv regret:

rsv@2Corinthians:7:8 @ For even if I made you sorry with my letter, I do not regret it (though I did regret it), for I see that that letter grieved you, though only for a while.

rsv@2Corinthians:7:10 @ For godly grief produces a repentance that leads to salvation and brings no regret, but worldly grief produces death.