Repented — Not for the war, which was just and necessary, but for their immoderate severity in the execution of it. That is no good divinity which swallows up humanity. Even necessary justice is to be done with compassion.
Related Commentaries of Judges 21:6
Judges 21:6
6 And the children of Israel repented them for Benjamin their brother, and said, There is one tribe cut off from Israel this day.