1058 Open source projects that are alternatives of or similar to Libfsm

One language to be RegExp's Successor. Visually readable and rich, technically safe and extended, naturally scalable, advanced, and optimized

non-backtracking NFA-based regular expression library, for C and Python

The regex-centric, fast lexical analyzer generator for C++ with full Unicode support. Faster than Flex. Accepts Flex specifications. Generates reusable source code that is easy to understand. Introduces indent/dedent anchors, lazy quantifiers, functions for lex/syntax error reporting, and more. Seamlessly integrates with Bison and other parsers.

Visual Automata is a Python 3 library built as a wrapper for the Automata library to add more visualization features.

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This project is a finite state machine designed to be used in games.

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正则表达式实例搜集，通过实例来学习正则表达式。

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🦕 常用正则大全, 支持web / vscode / idea / Alfred Workflow多平台

.NET Bindings to the Rust Regex Crate

State machines and statecharts for the modern web.

Regular expression matching for URL's. Maintained, safe, and browser-friendly version of url-regex. Resolves CVE-2020-7661 for Node.js servers.

Glob to regular expression with support for extended globs.

A simple Java state machine for Spring Boot projects

Regex: generate matching and non matching strings based on regex pattern.

Efficient Trie-based regex unions for blacklist/whitelist filtering and one-pass mapping-based string replacing

🚦 Declarative Finite-State Machines in Go

Blazing fast and accurate glob matcher written JavaScript, with no dependencies and full support for standard and extended Bash glob features, including braces, extglobs, POSIX brackets, and regular expressions.

Your RegEx companion.

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A full-featured regex engine in pure Go based on the .NET engine

The Cub Programming Language

🌟 DataFormsJS 🌟 A minimal JavaScript Framework and standalone React and Web Components for rapid development of high quality websites and single page applications.

A regular expression fuzzer.

Deterministic Regular Expressions with Backreferences

OWASP Raider: a novel framework for manipulating the HTTP processes of persistent sessions

Fibers, Closures, C-Module System | NaN-boxing, bytecode-VM written in C++

A tiny compiler for a language featuring LL(2) with Lexer, Parser, ASM-like codegen and VM. Complex enough to give you a flavour of how the "real" thing works whilst not being a mere toy example

Show the ELisp regular expression at point in rx form.

⏱ Superfast ^Advanced wildcards++? | Unique algorithms that was implemented on native unmanaged C++ but easily accessible in .NET via Conari (with caching of 0x29 opcodes +optimizations) etc.

A small implementation of regular expression matching engine in C

A CPython extension for the Hyperscan regular expression matching library.

Is this value a JS regex?

Expand POSIX bracket expressions (character classes) in glob patterns.

Pluck text in a fast and intuitive way 🐓

Finite State Machine for Go inspired by Akka FSM

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A tiny event-based finite state machine

Drop-in replacements for base R string functions powered by stringi

学习正则表达式

Spec-compliant polyfill for String.prototype.matchAll, in ES2020

Creates the inverse of transliterated string to a regex. What? Basically, diacritic insensitiveness

The fast scanner generator for Java™ with full Unicode support

There is no state but what we make. Feel free to pitch in.

A tiny (308B) utility that converts route patterns into RegExp. Limited alternative to `path-to-regexp` 🙇‍♂️

Search and des... argh... replace in many files at once. Use regexp and power of Python to replace what you want.

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Fluent API for creating state machines in C#

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Extract mentions (@mention) or hashtags (#hashtag) from any text

BNF wrangling and railroad diagrams

A finite state machine library using ES6 promises