Oniguruma vs RE2
No leader: the top candidate Oniguruma has only 0.19 confidence (low), below the 0.35 needed to declare a winner. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.
Capabilities
Feature-by-feature on the axes that matter for regex tools. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
Oniguruma
Open-source regular expression library offering POSIX, GNU regex, and extended APIs with support for various character encodings. Available as a library for inclusion in programs on Linux, Unix, Cygwin, and Windows platforms.
RE2
RE2 is a C++ library providing a thread-safe alternative to traditional backtracking regex engines like PCRE and Perl, prioritizing predictable performance and security over feature completeness.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
Oniguruma
Not documented yet.
RE2
- GitHub
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.