In that case there could be a slight performance benefit in storing results in a hash, e.g. 
my %res;
...
...
for my $fullString (however they are obtained) {
    $res{$fullString} ||= fieldParse( $fullString, etc. );
    etc...
}

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In reply to Re^3: nth field extraction by anonymized user 468275
in thread nth field extraction by lee_crites

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