Simplify netrw code that moves cursor to filename

lua/netrw.lua

@@ -14,22 +14,14 @@ vim.keymap.set('n', '-', function()
   -- Invoke netrw on the directory containing the current file
   vim.fn.execute(string.format("edit %s", vim.fn.expand('%:hp')))
 
-  -- Move the cursor to the line matching file
-  local netrw_liststyle = vim.api.nvim_buf_get_var(
-      vim.api.nvim_get_current_buf(), 'netrw_liststyle')
-  local pattern = nil
-  -- TODO: Replace this with something simpler, perhaps a loop over the netrw
-  -- buffer lines to get the line number containing the filename string.
-  if netrw_liststyle and netrw_liststyle == 2 then
-    -- tpope's magic pattern for list style with multiple files in columns
-    pattern = '\\%(^\\|\\s\\+\\)\zs'
-      .. vim.fn.escape(filename .. '.*[]~\\')
-      .. '[/*|@=]\\=\\%($\\|\\s\\+\\)'
-  else
-    -- tpope's magic pattern for all other list styles
-    pattern = '^\\%(| \\)*'
-      .. vim.fn.escape(filename, '.*[]~\\')
-      .. '[/*|@=]\\=\\%($\\|\\t\\)'
+  -- In the netrw buffer, move the cursor to the first character of filename
+  local buffer = vim.api.nvim_get_current_buf()
+  local lines = vim.api.nvim_buf_get_lines(buffer, 0, -1, true)
+  for row, content in ipairs(lines) do
+    local column = string.find(content, filename)
+    if column then
+      vim.api.nvim_win_set_cursor(0, { row, column - 1 })
+      break
+    end
   end
-  vim.fn.search(pattern, 'wc')
 end)