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nwonlineAsked on December 16, 2015 at 10:59 AM
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beril JotForm UI DeveloperReplied on December 16, 2015 at 11:14 AM
Hi again,
I've cloned and tested your form. You need to enter valid credit card number. After every four digits, there will be space. At that situation, it will work properly.
Here is how it works:
Hope this will help. Let us know if you need further assistance.