Translation of the verse 2 from Surah Al-hijr : Number of verses 99 - - page 262 - Part 14.
Perhaps (often) will those who disbelieve wish that they were Muslims [those who have submitted themselves to Allah's Will in Islam Islamic Monotheism, this will be on the Day of Resurrection when they will see the disbelievers going to Hell and the Muslims going to Paradise].
Perhaps those who disbelieve will wish that they had been Muslims.
(15:2) The time is not far when the same people who have today refused to accept (the Message of Islam) will regret and say, "we wish we had surrendered to it!"
Source : Al-hijr Verse 2: Perhaps those who disbelieve will wish that they had been Muslims.