Choosing the Right RAG Technique: From Regex to Vision Models
The article maps enterprise document‑intelligence challenges to the appropriate Retrieval‑Augmented Generation (RAG) approach, showing when simple regex, standard text‑based RAG, or vision‑enabled models are needed. It categorises problems by document structure and query control, helping teams avoid costly over‑engineering and apply the right technique to PDFs, call transcripts, or schematics.