java中正則表達式替換字符串中的中括號

//替換成空字符串

String  ss = "[a12,da,das]";

String replaceAll = ss.replaceAll("[\\[\\]]","");

System.out.println(replaceAll);// a12,da,das



//替換小括號同樣原理

String  ss = "(a12,da,das)";
String replaceAll = ss.replaceAll("[\\(\\)]","");
System.out.println(replaceAll);// a12,da,das