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  1. or download this
    example 1: blah (foobar) blah

...
lots of lines
of data 
bar) blah
  2. or download this
    my $regex_string = join '|', @list_patterns;

...
if ( /($regex_string)/is ) {
    # got a match...
}
  3. or download this
    my $list_regex = qr/($regex_string)/is;
...
if ( /$list_regex/ ) {
...