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I have a UITextField to enter a credit card number.

When a user types the creditcard number it should be displayed as X for the first 12 digits and the last 4 digits should display the orginal value.

Eg:XXXX XXXX XXXX 4159

How can I do this ?

Christoph
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user2793959
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    So? show us what you tried till now. Also, visit http://stackoverflow.com/help/on-topic – Paritosh Sep 19 '13 at 05:18
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    Hope the below links help you http://stackoverflow.com/questions/13244313/card-number-first-12-digits-should-be-secure-entry-and-remaining-4-digits-as-nor – kumar123 Sep 19 '13 at 05:35
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    Normally, the whole number is shown while the user enters the number, and the masked version is only shown when confirming stored details. – jrturton Sep 19 '13 at 06:29
  • http://stackoverflow.com/questions/13244313/card-number-first-12-digits-should-be-secure-entry-and-remaining-4-digits-as-nor?lq=1 will help you some how – Jignesh B Sep 19 '13 at 06:39
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    Why can't I see my own credit card number while I'm editing the field. What happens if I mistype? – Desdenova Sep 19 '13 at 06:49

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