How can I find repeated letters with a Perl regex?

Question

I am looking for a regex that will find repeating letters. So any letter twice or more, for example:

booooooot or abbott

I won\'t know the

Answer 1

The following code will return all the characters, that repeat two or more times:

my $str = "SSSannnkaaarsss";

print $str =~ /(\w)\1+/g;