Don't use Perl. use grep:
grep -v '^[^ ][^ ]* *[^ ]* [.0 ]*$' input > output
This assumes columns are separated by one or more spaces. And that the columns don't contain values like .0. or 0...0 (and that you want to keep such lines).

In reply to Re: Delete the line by JavaFan
in thread Delete the line by Anonymous Monk

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