It's a little messy to reuse this, because to do it programatically requires use re 'eval'
No, you can (and should) use qr// to avoid this. 
local our $count;
my $inc_count = qr/(?{$count++})/;
/..*..*.$inc_count(?!)/;

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Update: local our not my.

In reply to Re^2: Regexes: finding ALL matches (including overlap) by nobull
in thread Regexes: finding ALL matches (including overlap) by kaif

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