Using Regexp::Debugger, you can see that the regexp immediately matches at the start of the string, because aa (followed by zero b) matches.

If you want to match the aab, you can push the match to the right by preprending .*:

"aaabb" =~ /.*aa(b(?{{print "\nYes b letter"}})){0,2}/

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In reply to Re: Must do regex range quantifier { } as a greedy by Corion
in thread Must do regex range quantifier { } as a greedy by Anonymous Monk

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