Here's my test on WinNT, Perl v5.6: 
D:\perl\work>perl -e "$_='MA()A))Y#4';tr/MA()Y#4/1234567/;print"
1234244567

[download]

Cheers,
Ovid

Update: Since other monks appear to not have a problem. Could you post a full code snippet so we can see what you're doing? Perhaps the tr/// is occurring inside of a loop where $_ is dynamically scoped?

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In reply to (Ovid) Re: Transilteration problem by Ovid
in thread Transilteration problem by blinky

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