فَإِنْ ءَامَنُوا بِمِثْلِ مَآ ءَامَنتُم بِهِۦ فَقَدِ ٱهْتَدَوا ۖ وَّإِن تَوَلَّوْا فَإِنَّمَا هُمْ فِى شِقَاقٍ ۖ فَسَيَكْفِيكَهُمُ ٱللَّهُ ۚ وَهُوَ ٱلسَّمِيعُ ٱلْعَلِيمُ

Fa-in amanoo bimithli ma amantumbihi faqadi ihtadaw wa-in tawallaw fa-innama hum fee shiqaqinfasayakfeekahumu Allahu wahuwa assameeAAualAAaleem

So if they believe in the same as you believe in, then they have been [rightly] guided; but if they turn away, they are only in dissension, and Allāh will be sufficient for you against them. And He is the Hearing, the Knowing.