Reaper script to scroll to a track by fuzzy name, with scoring higher for folders tracks starting with the typed text

ScrollToTrackByName.lua

function selectTrackByPartialName()
  local retval, trackName = reaper.GetUserInputs("Jump to Track", 1, "Track name:", "")

  if not retval or trackName == "" then return end

  trackName = trackName:lower()

  local bestMatch = nil
  local bestScore = -1

  for i = 0, reaper.CountTracks(0) - 1 do
    local track = reaper.GetTrack(0, i)
    local _, name = reaper.GetSetMediaTrackInfo_String(track, "P_NAME", "", false)
    local nameLower = name:lower()

    local pos = nameLower:find(trackName, 1, true)
    if pos then
      local score = 0

      -- Exact match gets highest score
      if nameLower == trackName then
        score = 10000
      -- Match at start of name is second best
      elseif pos == 1 then
        score = 5000 - #name  -- Shorter names rank higher
      -- Match after underscore or space (word boundary)
      elseif nameLower:sub(pos-1, pos-1):match("[_%s]") then
        score = 3000 - #name - pos
      else
        -- Other matches: prioritize by position and length
        score = 1000 - pos - #name
      end

      -- Boost score for group/folder tracks
      local flags = reaper.GetMediaTrackInfo_Value(track, "I_FOLDERDEPTH")
      if flags == 1 then
        score = score + 20000  -- Group tracks get priority
      end

      if score > bestScore then
        bestScore = score
        bestMatch = track
      end
    end
  end

  if bestMatch then
    reaper.SetOnlyTrackSelected(bestMatch)
    reaper.SetMixerScroll(bestMatch)
    reaper.Main_OnCommand(40913, 0) -- Scroll vertically to selected track
  else
    reaper.ShowMessageBox("Track not found", "Error", 0)
  end
end

selectTrackByPartialName()