I think you're close but you'll probably have better luck using /g modifier in list context. The following gets the results for me: 
my @uc_string = ($data =~ /(\b[A-Z]+\b)/g);

[download]
Thanks,
s;;5776?12321=10609$d=9409:12100$xx;;s;(\d*);push @_,$1;eg;map{print chr(sqrt($_))."\n"} @_;

In reply to Re: Extract sequence of UC words? by logie17
in thread Extract sequence of UC words? by Anonymous Monk

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