#regex

2 posts

learnings EN

PDF RAG Indexing: Unit Detection and Chunk Noise Filtering

How to reliably detect structured unit boundaries in a bilingual PDF and prevent boilerplate text from polluting RAG vector chunks.

#rag #pdf-processing #pdftotext #regex #vector-search
learnings EN

PDF Indexing Pipeline: Unit Detection Guards and Copyright Filtering

Hard-won lessons from building a robust PDF chunker for a Korean-German textbook: multiple detection guards, line-level copyright stripping, and RAG behavior verification.

#pdf-parsing #rag #regex #text-extraction #pgvector