Hmm, first try, Regex::PreSuf
#!/usr/bin/perl --
use Regex::PreSuf;
print presuf(qw[
abcpwbln08
abcpwbln07
abcpwbnn10
abcpwbnn06
adesicln09
adesicln08
adesicln01
adesicnn05

]);
__END__
a(?:bcpwb(?:ln0[78]|nn(?:06|10))|desic(?:ln0[189]|nn05))

[download]
2nd try Regexp::Assemble 
#!/usr/bin/perl --

use strict;
use warnings;

use Regexp::Assemble;

my $ra = Regexp::Assemble->new;
$ra->add( quotemeta $_) for qw[
abcpwbln08
abcpwbln07
abcpwbnn10
abcpwbnn06
adesicln09
adesicln08
adesicln01
adesicnn05
];
print $ra->re;
__END__
(?-xism:a(?:bcpwb(?:nn(?:06|10)|ln0[78])|desic(?:ln0[189]|nn05)))

[download]
3rd try Regexp::Assemble OR Regex::PreSuf site:perlmonks.org

4th maybe String::Glob::Permute

In reply to Re: Collapsing a list of files... by Anonymous Monk
in thread Collapsing a list of files... by fiddler42

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