Basically, you just need to read the pod to understand.

perlfunc:perlop tr eq y///

s/// deals with regular expressions, and tr deals with lists of characters (so if you're not looking to match and replace patterns, you're looking to transliterate characters).

 
___crazyinsomniac_______________________________________
Disclaimer: Don't blame. It came from inside the void
perl -e "$q=$_;map({chr unpack qq;H*;,$_}split(q;;,q*H*));print;$q/$q;"