What AI says about RE/flex

RE-flex is a high-performance C++ regex library and lexical analyzer generator that extends Flex with Unicode support, indent/dedent anchors, lazy quantifiers, and enhanced lexing and syntax error reporting. It integrates seamlessly with Bison and other parsers, enabling tight tooling for building languages and compilers. The project is open-source under the BSD-3-Clause license and hosted by Genivia on GitHub.