{"entity": "PDF", "url": "https://wpnews.pro/entity/PDF", "count": 1, "articles": [{"slug": "regex-hell-to-llm-function-calling-my-data-extraction-journey", "title": "Regex Hell to LLM Function Calling: My Data Extraction Journey", "url": "https://wpnews.pro/news/regex-hell-to-llm-function-calling-my-data-extraction-journey", "published_at": "2026-06-05 08:01:40+00:00"}]}