Let's Write A Lexer (PlayBASIC Tutorial) Ever wondered how programming languages understand your code? In this live coding session, PlayBASIC creator Kevin Picone walks you step-by-step through writing a *lexer* — also known as a tokenizer — from scratch in PlayBASIC. You’ll learn how to scan text, identify different character types (letters, numbers, whitespace), and group them into tokens — the building blocks that compilers and interpreters use to make sense of code. This beginner-friendly tu

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