>>I found the following RegEx string to validate a zip code: "^\d{5}(-\d{4})?$"
>>
>>The following two string pass the test: 90210, 90210-1234. However, I need to make it accept the following string: 90210-.
>>
>>Any help would be greatly appreciated. From the little I know about regular expressions, I think there needs to be another optional clause added. Thanks!!!
>>
>>Edit:
>>I changed it to the following and it seems to work: "^\d{5}(-)?(-\d{4})?$". Can somebody validate that I didn't do something silly? Thanks!
>
>Yours will accept 12345--1234
>

>^((\d{5}-?)|(\d{5}-\d{4})$
>
>or
>
>^\d{5}((-?)|(-\d{4})?)$
>
>

Thank you!