Except for those who return [repenting] before you apprehend them. And know that Allah is Forgiving and Merciful.
The Saheeh International Quran Translation
إِلَّا ٱلَّذِينَ تَابُوا۟ مِن قَبْلِ أَن تَقْدِرُوا۟ عَلَيْهِمْ فَٱعْلَمُوٓا۟ أَنَّ ٱللَّهَ غَفُورٌ رَّحِيمٌExcept for those who return [repenting] before you apprehend them. And know that Allah is Forgiving and Merciful.