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in reply to Re^3: YACC rules to regex rules ?
in thread YACC rules to regex rules ? (UPDATED)

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https://metacpan.org/source/BJOERN/Parse-ABNF-0.30/eg/abnf2xlx.pl

RFC: A walkthrough from JSON ABNF to Regexp::Grammars

Convert Augmented BNF (ABNF) to Regexp::Grammars

my($parser)=new Parse::Yapp(inputfile => $filename); Work( $parser->{GRAMMAR} );