I don't like how you keep calling many things elements :)

#!/usr/bin/perl --
use strict; use warnings;
use List::AllUtils qw' indexes ';
use Data::Dump     qw' dd ';

my @options = (
"A-B-F-G-H-K-M",
"A-E-G-H-L",
"A-C-E-G-H-J-L",
"B-F-H-K",
"A-B-F-G-H-K-L",
"C-H"
);


#~ my @idx  = findem( "A-E-H-L", \@options );
my @idx  = findem( "A-E-H-L", @options );

dd \@options;
dd \@idx;
dd [ @options[@idx] ];

exit 0;
sub findem {
#~     my( $query, $options ) = @_;
    my  $query = shift;
    $query = join '.+', map { "\Q$_\E" } split '-', $query;
#~     return indexes { /$query/ } @$options;
    return indexes { /$query/ } @_;
}
__END__
[
  "A-B-F-G-H-K-M",
  "A-E-G-H-L",
  "A-C-E-G-H-J-L",
  "B-F-H-K",
  "A-B-F-G-H-K-L",
  "C-H",
]
[1, 2]
["A-E-G-H-L", "A-C-E-G-H-J-L"]
[download]

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