once
رَّبِّ اغْفِرْ وَارْحَمْ وَأَنتَ خَيْرُ الرَّاحِمِينَ
Meaning
«My Lord, forgive and have mercy, and You are the best of the merciful»
Source and references
23:118The reference is copied from the edition; separate editorial verification is not complete yet.
Source edition: Supplications from the Quran. Open source ↗