Since Efficiency seems to be the topic of the day,

        My situation, I have an array filled with 8-character strings, a
few thousand of them.  First 4 chars are letters, last 4 are numbers.
Examples - abcd1234, zyxw9876, etcc2222.  The letters portion is a
prefix, the numbers is a version.  In my list, there are instances of
the same prefix with different versions.

        What's the easiest way for me to either clean up the existing
array to remove all but the latest versions of each prefix, or create a
new array with the same info?  Focus is on least amount of code, I'm not
going for outright speed.  No modules.  I've got it working now but I'm
running nested foreach loops and an if statement ... not efficient at
all.

Example:
------------
@myArray = ("aacs1110", "brbt4332", "rtxa4320", "aacs2000", "brig5621",
"brbt5220", "nbvc1111")
------------
The code would give me an array that contained everything except
aacs1110 & brbt4332 since both have been superseded.

Bill

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