Problem with setting substring match variables (%{1} etc.)

[Alan DeKok]

Arran Cudbard-Bell wrote:
> Also gets very uggly when you multiple instances of a subcapture group
> e.g :
> 
> ^(a|b){3}(.)$
> 
> So you have to write them out in full :
> 
> ^(a|b)(a|b)(a|b)(.)^

  Why?

  ^((a|b){3})(.)$  with input "aaax"


  %{1} => aaa
  %{2} => a
  %{3} => x

  Alan DeKok.