I would probably do it this way: 

my @vlan_numbers;
foreach ( @snmp_strings ) {
    if( /\.(\d+):\w/ ) {
        push @vlan_numbers, $1;
    }
}

print "$_\n" foreach @vlan_numbers;

[download]

Dave

In reply to Re: Parsing SNMP VLAN-numbers by davido
in thread Parsing SNMP VLAN-numbers by Dave82764

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