Detected 2 occurrence(s) of ‘[ \t:=”‘]+4[0-9]{12}(?:[0-9]{3})?': 5. Enter this card number : "4147202100000000" Then submit. Â It will say "Please enter a valid credit card number", But that's all fine. 6. Remove the last 8 digits and then enter 8 random one's. Â For example 41472021XXXXXXXX > 4147202164973468 Â It should say "Please enter a […]
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