use strict;
use warnings;
use utf8;

my $re_address_word = qr/\b(?:
universit|center|centre|institute?|sciences?|college|research|
avenue|street|philosophy|professor|address|department|
umass
)\b/ix;

our $re_publication_word = qr/\b(?:
forthcoming|editors?|edited|publish\w*|press|volume
to\sappear\sin|draft|editor\w*|reprints?|excerpt|
circulation|cite
)\b/ix;

my $re_notitle = qr/
$re_address_word |
$re_publication_word |
\b(?:thanks?|
   @|
   [12]\d{3}|
   abstract
)/ix;

our $re_title = qr/^
(?!.*$re_notitle?.*)
\p{IsAlpha}    
/x;