11.11. Quantifiers

Quantifiers apply to the thing in front of them

/ab*a/      # aa, aba, abba, abbba, ...
/ab+a/      #     aba, abba, abbba, ...
/ab?a/      # aa, aba
/ab{2,4}a/  #          abba, abbba, abbbba
/ab{3,}a/   #                abbba, abbbba, ...
/ab{17}a/   #                                 abbbbbbbbbbbbbbbbba