If I don't reverse the string, then "\n\n\n" gets turned into " \n\n". If I reverse the string, do the change, and reverse it again, I get "\n\n " instead.

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Jeff[japhy]Pinyan: Perl, regex, and perl hacker.
s++=END;++y(;-P)}y js++=;shajsj<++y(p-q)}?print:??;