Select Code to Download

^\s*$ (empty line)
^\s*#.*$ (comment line)
^[a-fA-F0-9:\.]+(\s+[a-zA-Z0-9\.-]+)+\s*$ (host record)

(?<!10\.20\.11\.99\s)kvm-test-v06.+

(?<!10\.20\.11\.99\s)kvm-test-v06.*

127.0.0.1    localhost
10.20.11.99    kvm-test-v06.example.com    kvm-test-v06
...
1.2.3.5    kvm-test-v06 more garbage
1.2.3.6    litter kvm-test-v06
1.2.4.7    kvm-test-v06.example.com kvm-test-v06