Write a problem to expand acronyms in its input...

I think most people would read this as suggesting that it should accept arbitrary text with the acronyms embedded, and modify them in place, not just do a straight lookup.

Under this interpretation, CombatSquirrel's solution is the only correct one in the thread.

Here's a related solution using the -p flag: 

#!perl -p

s/($regex)/$1 ($acronyms{$1})/g;

BEGIN {
  %acronyms = (
    'HTML'    => "Hypertext Markup Language",
    'ICBM'    => "Intercontinental Ballistic Missile",
    'EEPROM'  => "Electronically-erasable programmable read only memor
+y",
    'SCUBA'   => "Self Contained Underwater Breathing Aparatus",
    'FAQ'     => "Frequently Asked Questions",
    'LCARS'   => "Library Computer And Retrieval System",
    'NASA'    => "National Aeronautical and Space Administration"
  );
  
  $regex = join '|', map quotemeta, 
        sort { length($b) <=> length($a) } keys %acronyms;
}

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In reply to Re: Code Optimization v5.8.1 by simonm
in thread Code Optimization v5.8.1 by bluethundr

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