How do I use a regular expression to match any string, but at least 3 characters?

Question

I am not a regex expert, but my request is simple: I need to match any string that has at least 3 or more characters that are matching.

So for instance, we have the

Answer 1

You could try with simple 3 dots. refer to the code in perl below

$a =~ m /.../ #where $a is your string