($Regex1) = ($String =~ /.*(\d{6,8}).*/);
I suspect your first .* is being too greedy and eating up the 1st 2 digits from your \d{6,8} range. This gives your 8 digits: 
($Regex1) = ($String =~ /(\d{6,8})/);

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In reply to Re: Regex Quantifiers by toolic
in thread Regex Quantifiers by FFSparky

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