If you are using an older version (e.g., Oxygen, Neon, or Luna), you can still install it as a plugin from the Eclipse Marketplace :
Use * and ? to refine your textual queries.
Navigate through matches using arrow keys and press Enter to open the file at the exact line. How to Get and Enable Quick Search
Limit your search to specific projects or file types using a syntax similar to .gitignore .
If you are looking for the , the most important thing to know is that this powerful feature is now integrated directly into the Eclipse IDE platform. Formerly a popular third-party plugin, it has become an essential "out-of-the-box" tool for modern Java development. What is Eclipse Quick Search?