java中正则表达式替换字符串中的中括号

//替换成空字符串

String  ss = "[a12,da,das]";

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

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

//替换小括号同样原理

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

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