Surah Ash-Shu'ara, Ayah 157
Quran 26:157 · The Poets · Makki · Para 19 · Page 373
فَعَقَرُوْهَا فَاَصْبَحُوْا نٰدِمِیْنَ ۟ۙ
Transliteration
FaAAaqarooha faasbahoonadimeen
Saheeh International
But they hamstrung her and so became regretful.
Al-Mukhtasar fi Tafsir
So they agreed upon cutting its legs, and the most wretched from them all did the act. Then they regretted the deed they had committed because of realising that the punishment was about to befall them inevitably. However, regret after seeing the punishment is of no benefit.
Tafsir Ibn Kathir (abridged)
Explains 26:153–26:159 together — read it on 26:153