TIMTOWTDI - without regexp: 
my @new = grep { index $_, 'QKC_' } @orig;

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index returns 0 (i.e. false) if the string starts with 'QKC_', so those lines will not be returned by grep

In reply to Re: how to find all lines which do not start with something by ishnid
in thread how to find all lines which do not start with something by rabbit55

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