Oniguruma vs regex (Python module)
No leader: the top candidate regex (Python module) has only 0.26 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.
regex (Python module)
A Python module providing advanced regex capabilities including Unicode 17.0.0 support, nested character sets, full case-folding, and recursive patterns. It serves as an enhanced alternative to Python's built-in re module.
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.
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.