You're not doing any rudimentary data-checking, or you'd see that my $string = @_ was assigning a number to your variable. 
# try one of these:

my ($string) = @_;
my $string = shift;
my $string = $_[0];

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japhy -- Perl and Regex Hacker

In reply to Re: Re: Re: pattern matching by japhy
in thread Creating a regex to match part of a URL's domain name (was: pattern matching) by strfry()

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