如何在java中读取字符串部分

I have this string :

我有这个字符串:

<meis xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance" uri="localhost/naro-nei" onded="flpSW531213" identi="lemenia" id="75" lastStop="bendi" xsi:noNamespaceSchemaLocation="https://localhost/xsd/postat.xsd xsd/postat.xsd">
<meis xmlns:x