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Since you mentioned DFA with regex (which reminded me of natural language processing), here's a naive twisted example:
use Tie::RegexpHash; use Regexp::Subst::Parallel; # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - my $how = sub { my %ans = ( is => "print \"It's fine.\\n\"", are => "howare(\"$_[3]\")" ); eval $ans{$_[2]} ; }; sub howare { tie my %ans, 'Tie::RegexpHash'; %ans = ( qr/you/i => "print \"I'm fine.\\n\"", qr/^(?!you)(.*)$/i => "print \"All good.\\n\"" ); eval $ans{$_[0]} ; } # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - my @sr =( qr/^(how) (is|are) (you|.*)(\?)$/i => $how, qr/^(?!how)(.*)$/i => sub{print "Say what?\n"} ); # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - $_ = "\nHow is everything?\n"; print; subst($_, @sr); $_ = "\nHow are you?\n"; print; subst($_, @sr); $_ = "\nHow are things?\n"; print; subst($_, @sr); $_ = "\nDo you dig me?\n"; print; subst($_, @sr); __END__ How is everything? It's fine. How are you? I'm fine. How are things? All good. Do you dig me? Say what?

In reply to Re: Re: 3 Examples of Multiple-Word Search n Replace by chunlou
in thread 3 Examples of Multiple-Word Search n Replace by chunlou

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