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  1. or download this
    pl@nereida:~$ perl -v

This is perl, v5.8.8 built for x86_64-linux-gnu-thread-multi

Copyright 1987-2006, Larry Wall
  2. or download this
    pl@nereida:~$ perl -wde 0

...
DB<1> "a" =~ /(a)|(b)/; print ((scalar @-)."\n"); print ((scalar @+)."
+\n")
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