Uhh, what?

I think you are confusing what $1 and $2 are. $1 represents what was matched in the first set of matched parenthesis. $2 represents what was matched in the second set of matched parenthesis. Seeing as there will never be two matched sets of parenthesis in your regex, $2 will never be defined.

I'm so adjective, I verb nouns!

chomp; # nom nom nom

In reply to Re^5: why such an error happened? by Lawliet
in thread why such an error happened? by lightoverhead

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