I am pleased to announce RE/flex 1.4.3, a fast lexical analyzer generator. RE/flex is built from the ground up in C++ using a new design that makes the generated scanners faster than Flex (the fast lexical analyzer). The generated source code is reusable, easy to understand, and integrates seamlessly with Bison/Yacc parsers. This CodeProject article explains what's new and how it works: https://www.codeproject.com/Articles/1180430/Constructing-Fast-Lexical-Analyzers-with-RE-flex-W