javascript - RegEx for Isracard (Israel Card) -

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i need regular expression isracard (israel credit card).

would grateful help, or maybe info how make it.

format of isracard 8-9 digits.

ex. picture of card - http://images.delcampe.com/img_large/auction/000/157/341/572_001.jpg

i found validation isracard:

<script>     var cardvalid=function(cardno){         var sum = 0, inum;     for( var in cardno+='' ){         inum = parseint(cardno[i]);         sum += i%2?inum:inum>4?inum*2%10+1:inum*2;     }     return !(sum%10);   }; </script>   asp vb script isracard credit card number validation (8 or 9 digits)  <% function isracardcheck(strnumber)     comp1 = "987654321"     comp2 = strnumber     srez = 0     if len(comp2) < 9 comp2 = "0" & comp2     = 1 9          = mid(comp1, i, 1)         b = mid(comp2, i, 1)         c = * b         srez = srez + c     next      if srez mod 11 = 0         isracheck = true     else         isracheck = false     end if end function  %>

i copied code there , more information , details may want check link itself: anatomy of credit card number formats


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