Re: Golf: Replacing part of a string with "*"

More fuzzy (the result)

substr($string,rand length $string,1,"*") foreach 1..12;   # 5****23**
+*34**7*
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Update: No guarantee included :-)

Comment on Re: Golf: Replacing part of a string with "*" Download Code

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Re^2: Golf: Replacing part of a string with "*" by ikegami (Patriarch) on Aug 18, 2006 at 15:40 UTC
That's bad for readability (harder for the user to figure out which one of his cards was used), and it's bad security (since the number could be obtained over time or if multiple retailers did this). And of course, there's are times when two, one and even no digits are hidden.	[reply]
Re^3: Golf: Replacing part of a string with "*" by explorer (Chaplain) on Aug 18, 2006 at 15:43 UTC
I know one bank that use it... but I agree with you...	[reply]
Re^2: Golf: Replacing part of a string with "*" by suaveant (Parson) on Aug 18, 2006 at 17:29 UTC
Actually a couple issues with this, 1) not guaranteed to use any asterisks (usually will), 2) since they are different each time with enough receipts you could get the whole number. - Ant - Some of my best work - (1 2 3)	[reply]