emacs: Is it possible to match strings with balanced parens with emacs regex?

Question

Something like this:
http://perl.plover.com/yak/regex/samples/slide083.html

In other words I want to match successfully on { { foo } { bar} } but not on { { foo } .

I see it's possible in perl, and in .NET. Is it possible in emacs regex?

Answer 1

No, so far Perl/PCRE and .NET are the only regex flavors that support arbitrary nesting (recursive patterns).