PII Detection in Unstructured Text: Why Regex Fails (And What Works)
Let’s look at something many teams quietly struggle with. Detecting PII inside unstructured text. It feels like it should be simple. After all, we’ve used regular expressions for years to find emails, phone numbers, and ID formats. Yet when we deploy regex in real environments. ticket systems, chat logs, CRM notes, uploaded documents, support transcripts. something becomes clear very quickly. Regex isn’t enough.