Joel VanderWerf wrote:
> ara.t.howard / noaa.gov wrote:
>> 
>>   re = %r/(...*?)\1/
> 
> irb(main):005:0> re = %r/(...*?)\1/
> => /(...*?)\1/
> irb(main):006:0> re =~ "abab"
> => 0
> 
> Should that match?

I think he interpreted it as '3 characters in a row, twice in the 
string' ...  So 'abc1234abc678' would match the 'abc' but 'abab' only 
has 2 characters repeated, so doesn't match.

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