"And when you have divorced women and they have fulfilled the term of their prescribed period, do not prevent them from marrying their (former) husbands..." (V.2:232)

Sahih al-Bukhari · Book 65 · Hadith 4529

حَدَّثَنَا عُبَيْدُ اللَّهِ بْنُ سَعِيدٍ، حَدَّثَنَا أَبُو عَامِرٍ الْعَقَدِيُّ، حَدَّثَنَا عَبَّادُ بْنُ رَاشِدٍ، حَدَّثَنَا الْحَسَنُ، قَالَ حَدَّثَنِي مَعْقِلُ بْنُ يَسَارٍ، قَالَ كَانَتْ لِي أُخْتٌ تُخْطَبُ إِلَىَّ‏.‏ وَقَالَ إِبْرَاهِيمُ عَنْ يُونُسَ، عَنِ الْحَسَنِ، حَدَّثَنِي مَعْقِلُ بْنُ يَسَارٍ،‏.‏ حَدَّثَنَا أَبُو مَعْمَرٍ، حَدَّثَنَا عَبْدُ الْوَ…

Narrated Al-Hasan: The sister of Ma'qal bin Yasar was divorced by her husband who left her till she had fulfilled her term of 'Iddat (i.e. the period which should elapse before she can Remarry) and then he wanted to rem…