Two problems with your code The correct (i.e. no syntax errors, I can't vouch against logic errors) code is:
    print "attribute 0=\t$1\n" if m/${\ATTRIBUTE_0}='(.*)'/;
    print "attribute 1=\t$1\n" if m/${\ATTRIBUTE_1}='(.*)'/;

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In reply to Re: matching constants within a regular expression? by matija
in thread matching constants within a regular expression? by Anonymous Monk

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