1.I need to validate the zipcode entered by user not only for digits but also whether it exits or not If the user enters 00001 if it is not existing zipcode and error message need to be shown.
Can you please give me any regular expression for validating the zipcode whether it exists or not.
2.Validating area codes and exchange codes based on NANPA standards. I am validating the second 3 digits in Phone number as follows:First digit can be 2 to 9.It can' be 0 or 1. Is there any exceptions for this?
3.The address can be alphabets only or if numbers is entered it should have alphabets also.