1:String docExplainStr = docExplain.replaceAll("<{1}[^<>]*>{1}","");
2: String docExplainStr = docExplain.replaceAll("<.*?>", "");
1:String docExplainStr = docExplain.replaceAll("<{1}[^<>]*>{1}","");
2: String docExplainStr = docExplain.replaceAll("<.*?>", "");