> > You could filter IP out with a regular expression: > > select hostname as hosts_not_ip > from table > where hostname !~ '^[0-9]\.[0-9]\.[0-9]\.[0-9]$' >
Oops, i missed something. Its:
select hostname as hosts_not_ip
from table
where hostname !~ '^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$'
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