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Re^2: To Findout Prime number

by ZlR (Chaplain)
on Jul 17, 2009 at 12:31 UTC ( #781043=note: print w/ replies, xml ) Need Help??

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  1. or download this
    m/
   ^                  # start of line
...
     \1+              # the matched sequence, once or more.
   $
/x ;

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