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Love it - just visualised the PCRE generated from the EBNF for the N-Triples RDF serialisation format[1] :) https://www.debuggex.com/r/Yxqws81Uif-BGBN8 https:/

Love it - just visualised the PCRE generated from the EBNF for the N-Triples RDF serialisation format[1] :) https://www.debuggex.com/r/Yxqws81Uif-BGBN8 https://www.debuggex.com/r/Yxqws81Uif-BGBN8 Important note - this is built up programmatically, it's not just a string dumped in a parser! [1] http://www.w3.org/TR/n-triples/#n-triples-grammar http://www.w3.org/TR/n-triples/#n-triples-grammar

jgalt212 12y ago
That is one hairy regex. Now the inverse would be even better. You modify the railroad chart and the regex updates.
- philjohn 12y ago
  Fairly hairy, yes, but if you follow the railroad tracks, it's quite succint for what it's doing!