regexes topic
noam
JavaScript library for working with automata and grammars for regular and context-free languages
libfsm
DFA regular expression library & friends
regex-cheatsheet
Cheatsheet for different regex syntaxes
elixre
🦑 An Elixir regular expression editor & tester, with Elm
librxvm
non-backtracking NFA-based regular expression library, for C and Python
regexr
Easily compose regular expressions without the need for double-escaping inside strings.
Patterns
A Swift PEG parser
pregex
A lightweight and powerful PHP package for any Persian regex
ts-regex-builder
Maintainable regular expressions for TypeScript and JavaScript.