Here's 25: $string=~s/.(?=....)/*/g;
Jeff japhy Pinyan, P.L., P.M., P.O.D, X.S.: Perl, regex, and perl hacker
How can we ever be the sold short or the cheated, we who for every service have long ago been overpaid? ~~ Meister Eckhart

In reply to Re^2: Golf: Replacing part of a string with "*" by japhy
in thread Golf: Replacing part of a string with "*" by kwaping

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