'Repent' in the Bible

"And if your people Israel are defeated before an enemy because they have sinned against you and they repent and confess your name and pray and plead before you in this house,

but {if they repent} in the land where they were taken captive and {repent} and beg you for mercy in the land of their captivity, saying, 'We have sinned and acted perversely and done wickedly,