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in reply to Re: Generate a truth table from input string
in thread Generate a truth table from input string

the problem that i am facing is, NOT is represented by both ! and ', variables could be !(A)+!(B)+!(C) or A'+B'+C', both mean the same. how do i do it?
  • Comment on Re^2: Generate a truth table from input string

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Re^3: Generate a truth table from input string
by psini (Deacon) on May 13, 2008 at 15:12 UTC

    s/(\w+)'/!\1/g

    Rule One: Do not act incautiously when confronting a little bald wrinkly smiling man.
[reply]
      or as use warnings; would say... 
      \1 better written as $1

      [download]

      and use diagnostics; would elaborate... 

          (W syntax) Outside of patterns, backreferences live on as variable
+s.
    The use of backslashes is grandfathered on the right-hand side of 
+a
    substitution, but stylistically it's better to use the variable fo
+rm
    because other Perl programmers will expect it, and it works better
+ if
    there are more than 9 backreferences.

      [download]
[reply]
[d/l]
[select]
      Is (a+b)' disallowed?
[reply]
[d/l]

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