4 ms·

Parsing expression grammars (pegs) are usually IME more maintainable long term, partially just because of much more testable and composable they are

• afiori 1y ago
  I suspect but am not sure that PEGs cannot do negative nor positive lookbehind, but it is not a very used feature.
  • girvo 1y ago
    Yeah that’s true IIRC but it’s rarely been a problem for my usage!