And here's a solution that doesn't depend on the presence or absense of a specific pattern in the intermediate lines of data: 
perl -ne 'print if (/^\[moo]/ and $c = 0, 1) .. 
                   (/^\[cow]/ and $c = 0, 1) and $c ++' log.log

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Abigail

In reply to Re: print data between two regular expressions by Abigail-II
in thread print data between two regular expressions by Anonymous Monk

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