java - java中的匹配器没有产生所需的输出

Question

nodenName = VAS_DEL_SDC_LB1_ONM_DEL_10.200.98.74;
private String extractNodeName(String nodeName) {
        String output = "";
        Matcher match = Pattern.compile("[0-9]+").matcher(nodeName);
        while (match.find()) {
            output.split(match.group());
        }
        return output;
    }

任何人都可以帮我提取VAS_DEL_SDC_LB1_ONM_DEL，上面的我尝试过它不起作用

Answer 1

private String extractNodeName(String nodeName) {
        String output = "";
        Matcher match = Pattern.compile("\\w+(?<!\\d|_)").matcher(nodeName);
        while (match.find()) {
            output = match.group();
        }
        return output;
}

结果:VAS_DEL_SDC_LB1_ONM_DEL