npm

flex

Fast Lexical Analyzer Generator - creates scanners/tokenizers from patterns

brewmacoslinux
Try with needOr install directly
Source

About

Fast Lexical Analyzer, generates Scanners (tokenizers)

Commands

flex

Examples

Generate a C scanner from a flex specification file$ flex input.l
Generate scanner with custom output filename$ flex -o scanner.c input.l
Generate a C++ scanner class$ flex -+ input.l