Oniguruma vs PCRE2
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.
PCRE2
A free regular expression matching library that implements Perl 5 syntax with extensive Unicode and character encoding support. It offers both traditional backtracking and JIT-compiled matching engines, available through native and POSIX-compatible APIs.
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.
PCRE2
- Exim
- Nginx
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.