Besides, the fanatical leader of that country has said in clear terms that they consider nuclear weapons forbidden by their religion. They have also said in clear terms that oppose the "Israeli regime" and the existence of Israel as a political entity- that's what they mean by "destruction of Israel", not nuking it.
Sadly, I highly doubt that the regime of the ayatollahs is going to act like that, instead of fighting fanatically to the bitter end and the last drop of Iranian blood if need be. (A bitter end is very far from the current situation though.)
The Basic Laws, which sort of comprise the makeshift constitution of Israel, don't seem to make any religious references, but rather refer to the founding UN principles like human rights.
Even civil courts are allowed to refer to holy texts if the law is not clear.
could you please show me any law in israel, that gives blanket approval to civil courts to refer to holy texts if the law is not clear ?