Created
February 17, 2011 12:02
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Mask a Credit Card - keep the first character, last four characters and any non-numeric characters in the middle.
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| <?php | |
| preg_replace('/(?!^.?)[0-9](?!(.){0,3}$)/', '*', $credit_card_number); | |
| ?> |
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How to also keep first 4 letters?