iOS 4 automatically detects tracking numbers found in emails, notes, and messages and turns them into clickable links.

And it redirects to this URL,
http://trackingshipment.apple.com/?Company=UPS&Locale=&TrackingNumber=1Z1234567890123456
How can we use this API or library into our iOS apps so it will automatically detect or force detect shipping numbers?
Unfortunately, the publicly-released data detector types don’t include common carrier tracking numbers. I wrote a small project showing how to detect UPS, USPS, and FedEx package numbers and got pretty good results:
You’ll have to do the work of assembling the tracking URLs yourself, but this sample code may help you get started. Download here.