You mean something like: 

$s = "xxyyyyyy";

$s =~ m/((x+)(??{'y' x length($2)}))/ and print "$1\n";

[download]
? :-)

Jenda
We'd like to help you learn to help yourself
Look around you, all you see are sympathetic eyes
Stroll around the grounds until you feel at home
   -- P. Simon in Mrs. Robinson

In reply to Re: I wonder... by Jenda
in thread Things you think you'll never use. by redlemon

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