$string = "column08=Submit & column10=Delivered & column09=Something"
my @matches = grep defined, split / ([|&]) /, $string;
$i = 1;
foreach my $one (@matches)
{
	if (($one =~ tr/=//) == 1)
	{
		my ($key,$value)=(split /=/,$one);
		%hash = ();
		$hash{'term'}{$key} = $value;
		push (@return_array,%hash);
	}
	else
	{
		push (@symbol_array,$one);
	}
}
print Dumper \%hash;	
print Dumper \@return_array;