Matthew 27:3

Then Judas, who had betrayed him, when he saw that he was condemned, repented and brought again the thirty pieces of silver to the chief priests and elders,

Job 20:5

That the triumphing of the wicked is short, and the joy of the hypocrite but for a moment?

Job 20:15-29

He hath swallowed down riches, and he shall vomit them up again: God shall cast them out of his belly.

Matthew 26:14-16

Then one of the twelve, called Judas Iscariot, went to the chief priests,

Matthew 26:47-50

And while he was yet speaking, lo, Judas, one of the twelve, came, and with him a great multitude with swords and staffs, from the chief priests and elders of the people.

Mark 14:10-11

And Judas Iscariot, one of the twelve, went to the chief priests, to betray him to them.

Mark 14:43-46

And immediately while he was yet speaking, cometh Judas, one of the twelve, and with him a great multitude with swords and staffs, from the chief priests, and the scribes, and the elders.

Luke 22:2-6

And the chief priests and scribes sought how they might kill him: for they feared the people.

Luke 22:47-48

And while he was yet speaking, behold a multitude, and he that was called Judas, one of the twelve, went before them, and drew near to Jesus to kiss him.

John 13:2

And supper being ended (the devil having now put into the heart of Judas Iscariot, Simon's son, to betray him;)

John 13:27

And after the sop Satan entered into him. Then said Jesus to him, What thou doest, do quickly.

John 18:3

Judas then, having received a band of men and officers from the chief priests and Pharisees, cometh thither with lanterns, and torches, and weapons.

2 Corinthians 7:10

For godly sorrow worketh penitence to salvation not to be repented of: but the sorrow of the world worketh death.

Treasury of Scripture Knowledge

Summary

Then Judas, which had betrayed him, when he saw that he was condemned, repented himself, and brought again the thirty pieces of silver to the chief priests and elders,

Bible References

Repented

Job 20:5
That the triumphing of the wicked is short, and the joy of the hypocrite but for a moment?
2 Corinthians 7:10
For godly sorrow worketh penitence to salvation not to be repented of: but the sorrow of the world worketh death.

General references

Exodus 32:35
And the LORD afflicted the people, because they made the calf which Aaron made.
Deuteronomy 27:25
Cursed be he that taketh reward to slay an innocent person: and all the people shall say, Amen.
Mark 6:26
And the king was exceeding sorry: yet for his oath's sake, and for their sakes who sat with him, he would not reject her.
Luke 14:30
Saying, This man began to build, and was not able to finish.