Understanding log patterns is crucial for understanding application behavior and identifying potential issues. However, having too many logs can make it challenging to manage and find relevant information. The solution lies in breaking logs into individual fields and removing unnecessary attributes using appropriate log-matching techniques and drop filters. This allows you to focus on critical data and gain valuable insights quickly. Regular expressions (regex) are powerful tools for finding and matching text data patterns, making them a fast way to filter and analyze log data. Mastering regex can help you gain valuable insights into your application and infrastructure performance, troubleshoot issues, and make data-driven decisions to improve system health. By using the pattern attribute in New Relic infrastructure for client-side filtering and UI drop filters for server-side filtering, you can remove unnecessary attributes, focus on critical log data, and maximize the potential of New Relic for log analysis.