$ perl -E 'my $s="ME170-5/2/10-ME172-5/2/10-ME4028"; while ($s=~m|(\d{1,2}/\d{1,2}/\d{1,2})|g){++$x;say "$x Found $1:" . $-[1]}'
1 Found 5/2/10:6
2 Found 5/2/10:19
$ perl -E 'my $s="ME170-5/2/10-ME172-5/2/1-ME4028"; while ($s=~m|(\d{1,2}/\d{1,2}/\d{1,2})|g){++$x;say "$x Found $1:" . $-[1]}'
1 Found 5/2/10:6
2 Found 5/2/1:19
$