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Re^2: Parse::RecDescent matching same line twice

by kudra (Vicar)
on Mar 01, 2009 at 20:24 UTC ( [id://747344]=note: print w/replies, xml ) Need Help??


in reply to Re: Parse::RecDescent matching same line twice
in thread Parse::RecDescent matching same line twice

Thank you for your answer; that appears to be what is happening. I figured it was due to my lack of knowledge about P::RD. I was puzzled by the way it appeared some of my test cases were rejecting the first rule without consequence.
  • Comment on Re^2: Parse::RecDescent matching same line twice

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Re^3: Parse::RecDescent matching same line twice
by ikegami (Patriarch) on Mar 01, 2009 at 20:59 UTC
    It's just like in regexps
    'XZ' =~ / ^ (?: X (?{ print "X" }) Y (?{ print "Y" }) | X (?{ print "X" }) Z (?{ print "Z" }) ) \z /x; print("\n");
    XXZ

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