And when regret overcame them and they saw that they had gone astray, they said, "If our Lord does not have mercy upon us and forgive us, we will surely be among the losers."
English Transliteration
Walamma suqita fee aydeehim waraaw annahum qad dalloo qaloo lain lam yarhamna rabbuna wayaghfir lana lanakoonanna mina alkhasireena
Tafsir of Verse 149
And when they smote their hands, and saw that they had gone astray, they said, 'If our Lord has not mercy on us, and forgives us not, surely we shall be of the lost.'
When they repented, and saw that they had erred, they said: "If our Lord have not mercy upon us and forgive us, we shall indeed be of those who perish."
The verse 149 speaks of their remorse on this guilt and their repentance,