Hello members,

I wrote a perl script for url redirect,shown as below,

$|=1;
my $uri = '';

while (<>) {

   $uri = (split)[0];

   if ($uri =~ /\.html?\?/ or $uri =~ /\.js\?/ or $uri =~ /\.css\?/ or
       $uri =~ /\.jpg\?/ or $uri =~ /\.gif\?/ or $uri =~ /\.swf\?/) {
       $uri =~ s/\?.*$//;
   }

   if ($uri =~ m|www\.example\.com/v/|o) {
       $uri =~ s|www\.example\.com/v/|v.example.com/|;

   }elsif ($uri =~ m|www\.example\.com/v2/|o) {
       $uri =~ s|www\.example\.com/v2/|v2.example.com/|;

   }elsif ($uri =~ m|www\.example\.com/v3/|o) {
       $uri =~ s|www\.example\.com/v3/|v3.example.com/|;

   }elsif ($uri =~ m|www\.example\.com/so/|o) {
       $uri =~ s|www\.example\.com/so/|so.example.com/|;

   }elsif ($uri =~ m|www\.example\.com/admin/\?.*|o) {
       $uri =~ s|www\.example\.com/admin/\?.*|www.example.com/admin/|;

   }elsif ($uri =~ m|www\.example\.com/w\?v=|o) {
       $uri =~ s|www\.example\.com/w\?v=|v2.example.com/v_|;

   }elsif ($uri =~ m|www\.example\.com/([wulp])(\d+)/|o) {
       $uri =~ s|www\.example\.com/([wulp])(\d+)/|$2.$1.example.com/|;

   }elsif ($uri =~ m|www\.example\.com/([wulp])/|o) {
       $uri =~ s|www\.example\.com/([wulp])/|$1.example.com/|;
   }

} continue {

   print "$uri\n";

}

__END__

As you see,for each regex match,I've tested it twice.
Maybe it's going with low-efficiency.How can improve it?Thanks.

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