Regex to show the number of class declarations?

I want to count the number of structs/classes declarations (not forward declarations) for documentation purposes. I always did this manually but now I have >70 classes, So I'm thinking about using regex.

Possible declarations are

class Foo
{
   //...
}

class Foo : public Bar
{
}

template<typename T>
class Foo<T> : public Bar<T>
{
}

class MACRO Foo : public Bar
{
}

class MACRO Foo final : public Bar
{
}

But these should not match

class Foo;
void Func(class Foo* foo, class Bar* bar)
{
}

So far I have this

(?:class|struct) .+\n{

But it matches for

void Func(class Foo* foo, class Bar* bar)
{
}

I think If I could somehow tell this regex to not match ) in .+ it would work for all my cases.

(?:class|struct) .+\n{

Edit:

This helped with my problem, it does not include or exclude all possible cases but works with my current coding style.

(?:^[^\S\r\n]*struct|class) .+\n\s*{