Hide Credit Card Numbers
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Join For Free// hide all digits of a credit card number except the last 4. eg
// cc = "12345678901123456"
// hide_card_number(cc)
// [ "************3456" ]
def hide_card_number(card_number)
size = card_number.to_s.size - 1
cc = ""
i = 0
0.upto(size) do
if( i > size - 4 )
else
cc += "*"
end
i += 1
end
cc = cc + card_number[size-3, size].to_s
return cc
end
Cards (iOS)
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