[shultays]

it is not nullptr, it is address past \0 in "", which is an invalid address

[3836293648]

No, the address itself is not invalid, you're just not allowed to dereference it. Pointers have to point at a valid object or, in the case of arrays, one past the end of the array. It's what `std::end` returns

[hoseja]

Hence, evilest. (It got me.)