Regular Expression (Regex), Nondeterministic finite automaton (NFA) and Deterministic finite automaton (DFA) implement in PHP. - Keywords: php php-library regex nfa dfa dfa-regex formal-languages https://github.com/KendallHopkins/FormalTheory

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Kendall Hopkins 81f8957ee5 Remove extra newline		12 tahun lalu
lib	81f8957ee5 Remove extra newline	12 tahun lalu
test	8506a6e0ea Improve optimizer.	12 tahun lalu
.travis.yml	a98db5ab34 Change default support to UTF-8.	12 tahun lalu
LICENSE	116c833aab Add LICENSE file.	12 tahun lalu
README.md	25fa26a92a Implement FA reverse.	12 tahun lalu
composer.json	9a3ff9f6fd Use correct name format.	12 tahun lalu
phpunit.xml.dist	eb20655eeb Add unit tests.	13 tahun lalu

FormalTheory

FormalTheory is a library that allows for manipulation and conversion of NFAs, DFAs and Regular Expressions. Some of the features it includes are:

Regex Lexing (AST)
Regex to NFA conversion
NFA to DFA conversion (determinize)
DFA minimization
DFA solution counting
FA equality
FA superset/subset test
FA proper superset/subset test
FA has a valid solution
FA print
FA export as DOT
FA string matching
FA intersections
FA unions
FA negation
FA reverse
FA to Regex conversion (basic)
Heavy Unit Test Coverage
Modern Autoloading Support
Regex optimization via rules

Note: FA is either a DFA or NFA

Coming Soon™

Regex optimization via mutations
Generalized DFA solving based on positive/negative match list

README.md

FormalTheory