Find & Replace feature #2400

It would be extremely helpful if the BlockNote team provided a native Find & Replace feature, similar to editors like Notion or traditional document editors. This becomes especially important when working with long or complex documents.

Proposed Behavior

Trigger

• Cmd + F on macOS
• Ctrl + F on Windows & Linux

Find UI

• An input container appears where the user can type a search query.
• The container remains visible while navigating or replacing matches.

Highlighting

• All matching occurrences are highlighted in yellow.
• One match is the active selection, highlighted in orange.
• Only one match can be active at a time.

Match Navigation

• The input container displays the current match index and total match count
  Example: 1 of 20
• Includes Previous / Next (Up / Down) buttons.
• Clicking Previous / Next:
  • Moves to the previous or next match
  • Updates the match index
  • Updates the active (orange) highlight accordingly

Replace Functionality

• The input container includes two actions:
  • Replace — replaces only the currently active match
  • Replace All — replaces all matching occurrences in the document

Change Events

• All changes are properly shipped in the editor’s getChanges output.

Why This Feature Is Useful

• Find & Replace is a core feature for content-heavy editing workflows
• Improves productivity and reduces manual editing
• Provides a foundation for future enhancements such as:
  • Case sensitivity
  • Whole-word matching
  • Regex support