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+# Pattern-Based Functions (2025.23)
+
+Source: `help-portal-9af108a1175845b2be00d49c92bd81ad.md`.
+
+## Overview
+Pattern-based functions leverage ML to recognize text patterns and return structured outputs.
+
+## Usage examples
+- Detect email, URL, phone patterns in text fields.
+- Validate or extract pattern matches for downstream logic.
+
+## Notes
+- Use for user input validation and transformation.
+- Combine with error messaging when patterns are not matched.
+