Perhaps (often) will those who disbelieve wish that they were Muslims [those

﴿رُّبَمَا يَوَدُّ ٱلَّذِينَ كَفَرُواْ لَوۡ كَانُواْ مُسۡلِمِينَ ﴾
[الحِجر: 2]

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]

﴿ربما يود الذين كفروا لو كانوا مسلمين﴾ [الحِجر: 2]

Al Bilal Muhammad Et Al
Again and again will those who disbelieve wish that they had made peace

Ali Bakhtiari Nejad
Oftentimes those who disbelieved wish that they were submitted (to God)

Ali Quli Qarai
Much will the faithless wish that they had been Muslims

Ali Unal
Again and again will those who disbelieve wish that they had been Muslims

Hamid S Aziz
Many a time will those who disbelieve wish they had surrendered (obeyed or been Muslims)

John Medows Rodwell
Many a time will the infidels wish that they had been Muslims

Literal
Maybe those who disbelieved wish/love if they were Moslems/submitters/surrenderers

Mir Anees Original
Those who do not believe will often wish that they had been Muslims

Mir Aneesuddin
Those who do not believe will often wish that they had been Muslims