Apps similar to Hyperscan include Perl Compatible Regular Expressions, which is free and open source. Other options are Oniguruma, TRE, RE2 and nregex. In total there are five apps like Hyperscan for Linux, Windows, Mac and self-hosting.
The PCRE library is a set of functions that implement regular expression pattern matching using the same syntax and semantics as Perl 5. PCRE has its own native API as well as a set of wrapper functions that correspond to the POSIX regular expression API.
Oniguruma is a modern and flexible regular expressions library. It encompasses features from different regular expression implementations that traditionally exist in different languages.
TRE is a lightweight, robust, and efficient POSIX compliant regexp matching library with some exciting features such as approximate (fuzzy) matching.
RE2 is a fast, safe, thread-friendly alternative to backtracking regular expression engines like those used in PCRE, Perl, and Python. It is a C++ library with wrappers for many languages including Perl, Python, Erlang and more.
A DFA based Regex engine that supports submatches. Built with Nim (programming language). Benchmarks show nregex is up to 7 times faster than Perl Compatible Regular Expressions.
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