Parsers

@hackage/weighted-regexp

Weighted Regular Expression Matcher

@hackage/binary-generic

Generic binary serialisation using binary and syb.

@hackage/WikimediaParser

A parser for wikimedia style article markup.

@hackage/parser-unbiased-choice-monad-embedding

Parsing library with unbiased choice and support for embedding arbitrary monad

@hackage/concrete-relaxng-parser

A parser driven by a standard RELAX NG schema with concrete syntax extensions.

@hackage/hsemail-ns

Internet Message Parsers

@hackage/uu-tc-error

Haskell 98 parser combintors for INFOB3TC at Utrecht University

@hackage/permute

Generalised permutation parser combinator

@hackage/parsec-extra

Some miscellaneous basic string parsers.

@cardano/flat

Principled and efficient bit-oriented binary serialization.

@hackage/free-foil

Efficient Type-Safe Capture-Avoiding Substitution for Free (Scoped Monads)

@hackage/yoctoparsec

A truly tiny monadic parsing library

@hackage/flight-kml

Parsing of pilot tracklogs dumped as KML.

@hackage/SVG2Q

Code generation tool for Quartz code from a SVG.

@hackage/list-t-attoparsec

An "attoparsec" adapter for "list-t"

@hackage/grammatical-parsers

parsers that combine into grammars

@hackage/attoparsec-iso8601

Parsing of ISO 8601 dates, originally from aeson

@hackage/parsec-utils

Utility functions and combinators for Text.Parsec

@hackage/tconfig

Simple text configuration file parser library.

@hackage/pipes-aeson

Encode and decode JSON streams using Aeson and Pipes.

@hackage/strptime

Efficient parsing of LocalTime using a binding to C's strptime, with some extra features (i.e. fractional seconds)

@hackage/XSaiga

An implementation of a polynomial-time top-down parser suitable for NLP

@hackage/parse

Simple way to parse strings with Python-like format strings.

@hackage/fit

FIT file decoder

@hackage/binary-orphans

Compatibility package for binary; provides instances

@hackage/parsec-numeric

Parsec combinators for parsing Haskell numeric types.

@hackage/simple-parser

Simple parser combinators

@hackage/penn-treebank

Tools for manipulating the Penn TreeBank

@hackage/fastparser

A fast, but bare bones, bytestring parser combinators library.

@hackage/hspec-parsec

Hspec expectations for testing Parsec parsers

@hackage/pangraph

A set of parsers for graph languages and conversions to graph libaries.

@hackage/optparse-enum

An enum-text based toolkit for optparse-applicative

@hackage/derp

Derivative Parsing

@hackage/wkt-types

A library for working with .wkt files.

@hackage/parsley-core

A fast parser combinator library backed by Typed Template Haskell

@haskell/binary

Binary serialisation for Haskell values using lazy ByteStrings

@hackage/tlex-debug

Debug utilities for Tlex

@hackage/tahoe-ssk

An implementation of the Tahoe-LAFS SSK cryptographic protocols

@hackage/substring-parser

Match / replace substrings with a parser combinators.

@hackage/trifecta

A modern parser combinator library with convenient diagnostics

@hackage/opentheory-parser

Stream parsers

@hackage/polyparse

A variety of alternative parser combinator libraries.

@hackage/tlex-th

TemplateHaskell plugin for Tlex

@hackage/PArrows

Arrow parser combinators similar to Parsec

@hackage/fixhs

FIX (co)parser

@hackage/pipes-parse

Parsing infrastructure for the pipes ecosystem

@hackage/check-cfg-ambiguity

Checks context free grammar for ambiguity using brute force up to given limit

@hackage/crypto-pubkey-openssh

OpenSSH keys decoder/encoder

@hackage/conf

Parser for Haskell-based configuration files.

@hackage/lathe-time

lathe + time

@hackage/dtd-text

Parse and render XML DTDs

@hackage/construct

Haskell version of the Construct library for easy specification of file formats

@hackage/libxml-sax

Bindings for the libXML2 SAX interface

@hackage/parsec-permutation

Applicative permutation parser for Parsec intended as a replacement for Text.Parsec.Perm.

@hackage/megalisp

lisp parser using mega-parsec

@hackage/tahoe-directory

Tahoe-LAFS directory-like abstraction for collections of data objects.

@hackage/ChristmasTree

Alternative approach of 'read' that composes grammars instead of parsers.

@hackage/property-list

Apple property list parser

@hackage/subtitleParser

A parser for .srt and .sub files

@hackage/attoparsec

Fast combinator parsing for bytestrings and text

@hackage/flat

Principled and efficient bit-oriented binary serialization.

@hackage/infix

Infix expression re-parsing (for HsParser library)

@hackage/indentation-core

Indentation sensitive parsing combinators core library

@hackage/looksee

A simple text parser with decent errors

@hackage/fuzzy-parse

Tools for processing unstructured text data

@hackage/pipes-attoparsec

Attoparsec and Pipes integration.

@hackage/boolexpr

Boolean expressions with various representations and search queries.

@hackage/cooklang-hs

Parser for the Cook markup language

@hackage/flexible-numeric-parsers

Flexible numeric parsers for real-world programming languages.

@hackage/parsimony

Monadic parser combinators derived from Parsec

@hackage/cereal-ieee754

Floating point support for the 'cereal' serialization library

@hackage/foscam-filename

Foscam File format

@hackage/ats-format

A source-code formatter for ATS

@hackage/replace-megaparsec

Find, replace, split string patterns with Megaparsec parsers (instead of regex)

@hackage/algebraic-graphs-io

I/O utilities and datasets for algebraic-graphs

@hackage/megaparsec

Monadic parser combinators

@hackage/getflag

Command-line parser.

@hackage/ParsecTools

Parsec combinators for more complex objects.

@hackage/Grempa

Embedded grammar DSL and LALR parser generator

@hackage/haskell-modbus

A cereal-based parser for the Modbus protocol

@hackage/extensions

Parse Haskell Language Extensions

@hackage/makefile

Simple Makefile parser and generator

@hackage/bytestringparser-temporary

Combinator parsing with Data.ByteString.Lazy

@hackage/chronos

A high-performance time library

@hackage/distributors

Unifying Parsers, Printers & Grammars

@hackage/parsers

Parsing combinators

@hackage/headed-megaparsec

More informative parser

@haskell/parsec

Monadic parser combinators

@hackage/SableCC2Hs

Generate a parser (in Haskell) with the SableCC parser generator.

@hackage/definitive-parser

A parser combinator library for the Definitive framework

@hackage/parsec2

Monadic parser combinators

@hackage/parser-combinators-tests

Test suite of parser-combinators

@hackage/simple-atom

Atom (or symbol) datatype for fast comparision and sorting.

@hackage/parsley

A fast parser combinator library backed by Typed Template Haskell

@hackage/attoparsec-enumerator

Pass input from an enumerator to an Attoparsec parser.

@hackage/fez-conf

Simple functions for loading config files

@hackage/fuzzy-dates

Libary for parsing dates in strings in varied formats.

@hackage/htoml

Parser for TOML files

@hackage/replace-attoparsec

Find, replace, split string patterns with Attoparsec parsers (instead of regex)

@hackage/utf

UTF-8

@hackage/parco-attoparsec

Generalised parser combinators - Attoparsec interface

@hackage/parsec-trace

Add a hierarchical trace to Parsec parsers.

@hackage/expat-enumerator

Enumerator-based API for Expat

@hackage/monoids

Deprecated: Use 'reducers'

@hackage/BNFC

A compiler front-end generator.

@hackage/hw-parser

Simple parser support

@hackage/winery

A compact, well-typed seralisation format for Haskell values

@hackage/papillon

packrat parser

@hackage/utc

A pragmatic time and date library.

@hackage/ConfigFileTH

Template haskell for reading ConfigFiles.

@hackage/ebnf-bff

Parser combinators & EBNF, BFFs!

@hackage/penntreebank-megaparsec

Parser combinators for trees in the Penn Treebank format

@hackage/binary-io

Read and write values of types that implement Binary

@hackage/antlrc

Haskell binding to the ANTLR parser generator C runtime library.

@hackage/cereal-io-streams

io-streams support for the cereal binary serialization library

@hackage/ParserFunction

Parse and evaluate mathematical expressions.

@hackage/waargonaut

JSON wrangling

@hackage/cereal-streams

Use cereal to encode/decode io-streams.

@hackage/safecopy-store

Binary serialization with version control.

@hackage/streaming-binary

Streaming interface to binary.

@hackage/bond-haskell

Runtime support for BOND serialization

@hackage/xml-query

A parser-agnostic declarative API for querying XML-documents

@hackage/aterm

serialisation for Haskell values with sharing support

@hackage/parse-dimacs

DIMACS CNF parser library

@hackage/bookhound

Simple Parser Combinators

@hackage/snack

Strict ByteString Parser Combinator

@hackage/tlex-core

A lexer generator

@hackage/uu-interleaved

An interleaving combinator for use with applicative style implementations.

@hackage/parsec1

Portable monadic parser combinators

@hackage/hslogger-reader

Parsing hslogger-produced logs.

@hackage/lispparser

Simple parser for LISP S-expressions

@hackage/megaparsec-utils

Parsers and utilities for the Megaparsec library.

@hackage/indentation

Indentation sensitive parsing combinators for Parsec and Trifecta

@hackage/persist-state

Serialization library with state and leb128 encoding

@hackage/polar-configfile

Fork of ConfigFile for Polar Game Engine

@hackage/mtlparse

parse library using mtl package

@hackage/rere

Regular-expressions extended with fixpoints for context-free powers

@hackage/lex-applicative

See README for more info

@hackage/cron

Cron datatypes and Attoparsec parser

@hackage/parsek

Parallel Parsing Processes

@hackage/parsec-numbers

Utilities for parsing numbers from strings

@hackage/mello

No-fuss syntax with s-expressions

@hackage/hourglass-fuzzy-parsing

A small library for parsing more human friendly date/time formats.

@hackage/text-iso8601

Converting time to and from ISO 8601 text.

@hackage/data-treify

Reify a recursive data structure into an explicit graph.

@hackage/parsers-megaparsec

`parsers` instances for Megaparsec

@hackage/postgresql-syntax

PostgreSQL AST parsing and rendering

@hackage/attoparsec-aeson

Parsing of aeson's Value with attoparsec

@hackage/attoparsec-conduit

Consume attoparsec parsers via conduit. (deprecated)

@hackage/tptp

Parser and pretty printer for the TPTP language

@hackage/conditional-restriction-parser

Parser and interpreter of OpenStreetMap conditional restriction values

@hackage/ptera-th

A parser generator

@hackage/roman-numerals

Parsing and pretty printing of Roman numerals

@hackage/indents

indentation sensitive parser-combinators for parsec

@hackage/bytestring-substring

break bytestrings up into substrings

@hackage/egison-pattern-src

Manipulating Egison patterns: abstract syntax, parser, and pretty-printer

@hackage/text-lips

Monadic parsing combinator library with attention to locations

@hackage/svg2q

Code generation tool for Quartz code from a SVG.

@hackage/ptera

A parser generator

@hackage/attoparsec-text-enumerator

(deprecated)

@hackage/json-pointer

JSON Pointer parsing and interpretation utilities

@hackage/xls

Parse Microsoft Excel xls files (BIFF/Excel 97-2004)

@hackage/uu-tc-error-error

utilities for parse errors

@hackage/RefSerialize

Write to and read from ByteStrings maintaining internal memory references

@hackage/megaparsec-tests

Test utilities and the test suite of Megaparsec

@hackage/hsemail

Parsec parsers for the Internet Message format (e-mail)

@hackage/zydiskell

Haskell language binding for the Zydis library, a x86/x86-64 disassembler.

@hackage/sexp

S-Expression parsing/printing made fun and easy

@hackage/data-stm32

ARM SVD and CubeMX XML parser and pretty printer for STM32 family

@hackage/attoparsec-isotropic

right-to-left parser backward compatible with attoparsec

@hackage/attoparsec-expr

Port of parsec's expression parser to attoparsec.

@hackage/harg

Haskell program configuration using higher kinded data

@hackage/xeno

A fast event-based XML parser in pure Haskell

@hackage/bookhound-format

Parsers for usual data formats

@hackage/xml-query-xml-types

An interpreter of "xml-query" queries for the "xml-types" documents

@hackage/lasercutter

A high-powered, single-pass tree parser.

@hackage/symantic-cli

Symantics for parsing and documenting a CLI

@hackage/streamly-core

Streaming, parsers, arrays, serialization and more

@hackage/faster-megaparsec

Speed up Megaparsec parsing when parsing succeeds

@hackage/attoparsec-data

Parsers for the standard Haskell data types

@hackage/docrecords

Vinyl-based records with hierarchical field names, default values and documentation

@hackage/network-attoparsec

Utility functions for running a parser against a socket

@hackage/hascal

tiny calculator library and command-line program

@hackage/cassava-megaparsec

Megaparsec parser of CSV files that plays nicely with Cassava

@hackage/contstuff

Fast, easy to use CPS-based monad transformers

@hackage/parco-parsec

Generalised parser combinators - Parsec interface

@hackage/tree-sitter

Unstable bindings for the tree-sitter parsing library.

@hackage/ponder

PEG parser combinator

@cardano/optparse-applicative

Utilities and combinators for parsing command line options

@hackage/little-earley

Simple implementation of Earley parsing

@hackage/binary-parser

An efficient but limited parser API specialised to bytestrings

@hackage/egison-pattern-src-th-mode

Parser and pretty printer for Egison pattern expressions to use with TH

@hackage/syntactical

Distfix expression parsing library

@hackage/binary-bits

Bit parsing/writing on top of binary.

@hackage/grammar-combinators

A parsing library of context-free grammar combinators.

@hackage/commander-cli

A command line argument/option parser library

@hackage/indentation-trifecta

Indentation sensitive parsing combinators for Trifecta

@hackage/safecopy

Binary serialization with version control.

@hackage/optparse-applicative-cmdline-util

Utility functions for working with optparse-applicative

@hackage/pro-source

Utilities for tracking source locations

@hackage/ping-parser-attoparsec

Attoparsec parsers of ping utility

@hackage/kangaroo

Binary parsing with random access.

@hackage/parsix

Parser combinators with slicing, error recovery, and syntax highlighting

@hackage/tlex

A lexer generator

@hackage/record-syntax

A library for parsing and processing the Haskell syntax sprinkled with anonymous records

@hackage/megaparsec-time

Parsers and utilities for the Megaparsec library.

@hackage/boomerang

Library for invertible parsing and printing

@hackage/bytestringparser

Combinator parsing with Data.ByteString.Lazy

@hackage/egison-pattern-src-haskell-mode

Parser and pretty printer for Egison pattern expressions in Haskell source code

@hackage/gather

An applicative for parsing unordered things, heterogenous sorting

@hackage/uu-tc

Haskell 98 parser combinators for INFOB3TC at Utrecht University

@hackage/parser-combinators

Lightweight package providing commonly useful parser combinators

@hackage/xml-parsec

Parsing XML with Parsec

@hackage/parco

Generalised parser combinators

@hackage/nextstep-plist

NextStep style plist parser and printer

@hackage/scanner-attoparsec

Inject attoparsec parser with backtracking into non-backtracking scanner

@hackage/optstream

Command line option parsing library with a twice applicative interface

@hackage/attoparsec-time

Attoparsec parsers of time

@hackage/vcs-revision

Facilities for accessing the version control revision of the current directory.

@hackage/ptera-core

A parser generator

@hackage/persist

Minimal serialization library with focus on performance

@hackage/inchworm

Simple parser combinators for lexical analysis.

@hackage/parsec3

Monadic parser combinators

@hackage/nmis-parser

NMIS file parser

@hackage/hspec-megaparsec

Utility functions for testing Megaparsec parsers with Hspec

@hackage/bit-protocol

Encode binary protocols with some odd bit numbers into a bytestring

@hackage/comparse

A highly generic parser combinators library.

@hackage/EEConfig

ExtremlyEasyConfig - Extremly Simple parser for config files

@hackage/emacs-keys

library to parse emacs style keybinding into the modifiers and the chars

@hackage/cron-compat

Cron datatypes and Attoparsec parser

@hackage/html-tokenizer

An "attoparsec"-based HTML tokenizer

@hackage/matrix-market-attoparsec

Parsing and serialization functions for the NIST Matrix Market format

@hackage/binary-strict

Binary deserialisation using strict ByteStrings

@hackage/attoparsec-parsec

An Attoparsec compatibility layer for Parsec

@hackage/flight-igc

A parser for IGC files.

@hackage/parser-regex

Regex based parsers

@hackage/multiarg

Command lines for options that take multiple arguments

@hackage/binary-ext

An alternate with strong-typed errors for `Data.Binary.Get` monad from `binary` package.

@hackage/wire-streams

Fast binary io-streams adapter.

@hackage/input-parsers

Extension of the parsers library with more capability and efficiency

@hackage/ConfigFile

Configuration file reading & writing

@hackage/ValveValueKeyvalue

A Valve Value-keyvalue parser for Haskell made with Parsec.

@hackage/attoparsec-framer

Use Attoparsec to parse framed protocol byte streams

@hackage/lathe

Pure incremental byte parser.

@hackage/ca-patterns

Manipulate patterns in cellular automata, create and parse RLE files

@hackage/LParse

A continuation-based parser library

@hackage/hextream

Streaming-friendly XML parsers

@hackage/streamly

Streaming, dataflow programming and declarative concurrency

@hackage/data-reify

Reify a recursive data structure into an explicit graph.

@hackage/stm-incremental

A library for constructing incremental computations

@hackage/flatparse

High-performance parsing from strict bytestrings

@hackage/appar

A simple applicative parser

@hackage/tlex-encoding

Encoding plugin for Tlex

@hackage/timerep

Parse and display time according to some RFCs (RFC3339, RFC2822, RFC822)

@hackage/machines-attoparsec

Parse machines streams with attoparsec parsers.

@hackage/picoparsec

Fast combinator parsing for bytestrings and text

@hackage/foscam-sort

Foscam File format

@hackage/parsec3-numbers

Utilities for parsing numbers from Char sequences

@hackage/supplemented

Early termination for monads

@hackage/uulib

Haskell Utrecht Tools Library

@hackage/caerbannog

That rabbit's got a vicious streak a mile wide!

@hackage/vflow-types

types for ingesting vflow data with aeson

@hackage/Kawaii-Parser

A simple parsing library and some additional utilities.

@hackage/ping-wrapper

Haskell Ping wrapper

@hackage/parser241

An interface to create production rules using augmented grammars

@hackage/optparse-applicative

Utilities and combinators for parsing command line options

@hackage/descriptive

Self-describing consumers/parsers; forms, cmd-line args, JSON, etc.

@hackage/hsmisc

A collection of miscellaneous modules

@hackage/tahoe-chk

The Tahoe-LAFS' Content-Hash-Key (CHK) cryptographic protocol.

@hackage/aeson-value-parser

API for parsing "aeson" JSON tree into Haskell types

@hackage/RLP

RLP serialization as defined in Ethereum Yellow Paper

@hackage/yaml-unscrambler

Flexible declarative YAML parsing toolkit

@hackage/symantic-parser

Parser combinators statically optimized and staged via typed meta-programming

@hackage/indentation-parsec

Indentation sensitive parsing combinators for Parsec

@hackage/scotty-params-parser

HTTP-request's query parameters parser abstraction for "scotty"

@hackage/optparse-applicative-simple

Simple command line interface arguments parser

@hackage/html-entities

A codec library for HTML-escaped text and HTML-entities

@hackage/expression-parser

Generalization of parsec's expression parser.

@hackage/postgresql-binary

Encoders and decoders for the PostgreSQL's binary format

@hackage/list-t-html-parser

Streaming HTML parser

@hackage/snail

A programming language with no semantics

@hackage/cereal

A binary serialization library

@hackage/parsely

@hackage/IndentParser

Combinators for parsing indentation based syntatic structures

@hackage/binary-generic-combinators

Combinators and utilities to make Generic-based deriving of Binary easier and more expressive

@hackage/parsec-parsers

Parsing instances for Parsec

@cardano/optparse-applicative-fork

Utilities and combinators for parsing command line options

@hackage/optima

Simple command line interface arguments parser

@hackage/fix-parser-simple

Simple fix-expression parser

@hackage/gcodehs

GCode processor

@hackage/iteratee-parsec

Package allowing parsec parser initeratee

@hackage/yajl-enumerator

Enumerator-based interface to YAJL, an event-based JSON implementation

@hackage/scanner

Fast non-backtracking incremental combinator parsing for bytestrings

@hackage/language-ats

Parser and pretty-printer for ATS.

@hackage/libxml-enumerator

Enumerator-based API for libXML's SAX interface

@hackage/bytearray-parsing

Parsing of bytearray-based data

@hackage/hspec-attoparsec

Utility functions for testing your attoparsec parsers with hspec

@hackage/attoparsec-text

(deprecated)

@hackage/stompl

Stomp Parser and Utilities

@hackage/cmark-patterns

Pattern synonyms for cmark

@hackage/cassette

Combinators to simultaneously define parsers and pretty printers

@hackage/incremental-parser

Generic parser library capable of providing partial results from partial input.

@hackage/looksee-trip

A simple text parser with decent errors

@hackage/Earley

Parsing all context-free grammars using Earley's algorithm.

@hackage/json-incremental-decoder

Incremental JSON parser with early termination and a declarative DSL

@hackage/diff-parse

A parser for diff file formats

@hackage/xml-query-xml-conduit

A binding for the "xml-query" and "xml-conduit" libraries

@hackage/netstring-enumerator

Enumerator-based netstring parsing

@hackage/time-parsers

Parsers for types in `time`.

@hackage/codec-libevent

Cross-platform structure serialisation

@hackage/attoparsec-run

Conveniently run Attoparsec parsers

@hackage/uu-parsinglib

Fast, online, error-correcting, monadic, applicative, merging, permuting, interleaving, idiomatic parser combinators.

@hackage/unparse-attoparsec

An attoparsec roundtrip

@hackage/descrilo

Loads a list of items with fields

@hackage/hs-logo

Logo interpreter written in Haskell