Integers with leading zeroes

Antoon Pardon antoon.pardon at rece.vub.ac.be
Wed Jul 22 17:27:47 CEST 2015


On 07/22/2015 11:09 AM, alister wrote:
> On Wed, 22 Jul 2015 09:12:59 +0200, Laura Creighton wrote:
> 
>> The biggest use I have for decimal numbers that begin with 0 is in
>> credit card numbers, account numbers and the like where the first check
>> you do is 'does this thing have the correct number of digits'.
>> So far, all the examples I've been able to find in my code -- which does
>> this sort of stuff a lot -- is looking at string versions of decimal
>> numbers, but I suspect there is old code out there in the wild which
>> just used integers.
>>
>> Laura
> 
> This type of information should be stored as a string not any type of 
> numeric format, if you are not performing maths on it then it is a string 
> & not a number.

Does the same condition hold for strings? If you are not performing string
operations on something, it is not a string?

-- 
Antoon Pardon.



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