-- God saw the wickedness of man was great in the earth --- Genesis 6:5
-- every imagination of the thoughts of his heart were only evil continually --- Genesis 6:5
-- it repented the Lord that he had made man --- Genesis 6:6
-- God said, I will destroy man from the face of the earth --- Genesis 6:7
-- it repenteth me that I have made them --- Genesis 6:7

Genesis 6:5-8 KJV
[5] And God saw that the wickedness of man was great in the earth, and that every imagination of the thoughts of his heart was only evil continually. [6] And it repented the Lord that he had made man on the earth, and it grieved him at his heart. [7] And the Lord said, I will destroy man whom I have created from the face of the earth; both man, and beast, and the creeping thing, and the fowls of the air; for it repenteth me that I have made them. [8] But Noah found grace in the eyes of the Lord.

God repented he had made man.
Noah found grace in the eyes of the Lord.
Noah and all his house came into the ark and were saved, because he was seen as righteous.

Genesis 6:8 KJV
[8] But Noah found grace in the eyes of the Lord.

Genesis 7:1 KJV
[1] And the Lord said unto Noah, Come thou and all thy house into the ark; for thee have I seen righteous before me in this generation.

Genesis 7:21-24 KJV
[21] And all flesh died that moved upon the earth, both of fowl, and of cattle, and of beast, and of every creeping thing that creepeth upon the earth, and every man: [22] All in whose nostrils was the breath of life, of all that was in the dry land, died. [23] And every living substance was destroyed which was upon the face of the ground, both man, and cattle, and the creeping things, and the fowl of the heaven; and they were destroyed from the earth: and Noah only remained alive, and they that were with him in the ark. [24] And the waters prevailed upon the earth an hundred and fifty days.