Validating zip code

09-Sep-2020 16:26

validating zip code-79

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^ # Assert position at the beginning of the string.

You can look up cities by ZIP code, or ZIP codes by city and state or address, at https://com/zip4/. Techniques used in the regular expressions in this recipe are discussed in Chapter 2. Both a result set containing the valid codes as a result set containing the invalid codes will be outputted. These codes can be anything: passwords, postalcodes, e-mail addresses, creditcard numbers, and much more.