stringified enumeration

["Will Fould" <suppressed>]

I realise this may not be the most appropriate list for this question:

I need to internally enumerate (delimit) href name/value pairs.

Is there are "standardly acceptable" way to do this?

http://www.example.com/?fruit::1=grape&fruit::2=apple&fruit::3=banana&color::1=purple&color::2=red&color::3=yellow

thank you in advance.

(w)