EBNF grammar and interpreters.

A system of functional parsers (combinators, transformers, generators.)

extended log format log parser

Text::SubParsers is for extracting and processing of interpret-able sub-strings in texts

Parse duration strings into seconds

a basic parser of vCard

Grammar and role for metadata entities: data types, column names, schema names, etc.

Parsing getopt and argparser parameter specs.

Grammar for parsing DOT language specs and converting them to specs of Mermaid-JS, PlantUML, or Wolfram Language.

A Raku module to provide path parsing and validation for assorted programs.