I Built a SAST Scanner From Scratch - Here's Every Design Decision I Made

A developer built a source code analysis tool (SAST) from scratch to understand its inner workings, focusing on language-agnostic scanning using regex patterns for simplicity. This approach allows non-engineers to extend detection rules without coding but sacrifices some accuracy due to higher false positive rates compared to AST-based methods.

This project highlights the importance of design choices in security tools and demonstrates how such decisions impact usability and effectiveness in real-world scenarios, offering insights into building practical SAST solutions.

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