java 正则 提取括号里的内容 java正则匹配中括号

//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