Looker Studio RegEx and Filters: The Definitive Guide

Filters and regular expressions separate basic dashboards from powerful ones. In this guide, we cover every filter type in Looker Studio and show you how to use RegEx to clean, categorise and transform your data. This builds on concepts from our calculated fields guide.

Filter Types in Looker Studio

Looker Studio offers three levels of filtering: report-level filters (apply to every chart), page-level filters (apply to one page), and chart-level filters (apply to a single chart). Understanding when to use each is critical for avoiding design mistakes.