Matthew 27:3
"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,"
Cross References (ranked by relevance)
For godly sorrow worketh repentance to salvation not to be repented of: but the sorrow of the world worketh death.
And supper being ended, the devil having now put into the heart of Judas Iscariot, Simon’s son, to betray him;
That the triumphing of the wicked is short, and the joy of the hypocrite but for a moment?
And after the sop Satan entered into him. Then said Jesus unto him, That thou doest, do quickly.
Judas then, having received a band of men and officers from the chief priests and Pharisees, cometh thither with lanterns and torches and weapons.