then... 
my $str = 'abccabbcabc';

my %seen;
while ($str =~ /(.)/g) {
    printf "character %s found at pos %d, reps %d\n", $1, pos($str), $
+seen{$1}
        if $seen{$1}++;
}

[download]

In reply to Re^2: Regex to only show 2nd character of the same character in a string by salva
in thread Regex to only show 2nd character of the same character in a string by wtritchie

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