perl -ne 'print if !/^#/ and /foo/' /tmp/foo.txt

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is that what you want? Or using the regex for the above post 
perl -ne 'print if /^[^#]*foo/' /tmp/foo.txt

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In reply to Re: Grep'ping on Unix without perl-compatible gnu grep - can you do it better? by kielstirling
in thread Grep'ping on Unix without perl-compatible gnu grep - can you do it better? by Tommy

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