Try the following:

use strict;
use warnings;

while (<DATA>) {
    print "$_\n" for grep /\.xyz\.com$/, split;
}

__DATA__
AAA-BBB-CCC aaa-bbb-ccc-2345.xyz.com aa-dg-hj hira.xyz.com
ddd-eee-fff-4567.xyz.com ddd-eee-fff vffg.xyz
sunil.xyz.com    mad.xyz.com

[download]

Output

aaa-bbb-ccc-2345.xyz.com
hira.xyz.com
ddd-eee-fff-4567.xyz.com
sunil.xyz.com
mad.xyz.com

[download]

In reply to Re: perl regex by Kenosis
in thread perl regex by sunil9009

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