2 verses have
regarding
in Edition Clear Qur'an by Talal Itani / Ghafir (The Forgiver)

40:56Those who dispute regarding God’s revelations without any authority having come to them—there is nothing in their hearts but the feeling of greatness, which they will never attain. So seek refuge in God; for He is the All-Hearing, the All-Seeing.

40:69Have you not observed those who dispute regarding God's revelations, how they have deviated?