if( !editor.EnableTab ){ 
   editor.EnableTab = true; 
   alert( "Please run this macro again." ); 
   Quit(); 
}

sFind = prompt( "This macro extracts lines that do not contain the specified string:", "" );
if( sFind == "" ){
	Quit();
}

Redraw = false; 

docSearch = editor.ActiveDocument; 
editor.NewFile(); 
docResult = editor.ActiveDocument; 
docSearch.Activate(); 

docSearch.selection.StartOfDocument(); 
y = 1; 
do { 
   docSearch.selection.SetActivePoint( eePosLogical, 1, y ); 
   if( y != docSearch.selection.GetActivePointY( eePosLogical ) )  break; 
   docSearch.selection.SelectLine(); 
   sLine = docSearch.selection.Text; 
   re = new RegExp( ".*" + sFind + ".*" ); 
   result = re.test( sLine ); 
   if( !result ){ 
      docResult.Activate(); 
      docResult.selection.Text = sLine; 
   } 
   docSearch.Activate(); 
   y++; 
} while( true );