This is a two part video tutorial on lex and yacc. This first screencast will introduce lex / flex, the UNIX tokenizer generator. A short introduction to lexical analysis is followed with an overview of lex, and some code examples. We then demonstrate how to integrate the tokenizer generated by lex into a C program. You can download the source code for this tutorial from: https://github.com/jengelsma/lex-tuto....