We have thousands of products that have the product id number and name in the product options. It would be great that when a customer searches for a product number that exists in the product options that it woud come up. We have custom code written for this but every time we update the cart this has to be re-done. Thanks

I too recently wrote some code for this.
I also added IP address and when searching by zip, we made that search shipping address (as well as billing)

We wanted to be able to search for text options customers entered. This helps us locate customers orders by the text the had entered.

David