我有一根绳子 Hello java [to:] how are you? . 我想要输出像： Hello java how are you? .
请帮助使用java正则表达式。我的代码是：

String data = "Hello java [to:sdsdsd.kdsd] how are you?";
Pattern pattern = Pattern.compile("\[to:]");
Matcher matcher = pattern.matcher(data);
matcher.find();
System.out.println(matcher.group(1))