# Page Not Found

The URL `functions-1/regexpextract` does not exist.

You might be looking for one of these pages:
- [regexpExtract](https://docs.pinot.apache.org/functions/string/regexpextract.md)
- [Extract](https://docs.pinot.apache.org/functions/datetime/extract.md)
- [regexpReplace](https://docs.pinot.apache.org/functions/string/regexpreplace.md)
- [GeoSpatial Functions](https://docs.pinot.apache.org/functions/geospatial.md)
- [Trigonometric Functions](https://docs.pinot.apache.org/functions/trigonometric.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://docs.pinot.apache.org/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://docs.pinot.apache.org/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/functions/string/regexpextract.md`)
- Use `Accept: text/markdown` header for content negotiation