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<tag1>
    <ResId Type="22" ID="MASTN_NHR" />
</tag1>

I want to get the string MASTN from the above xml(Java code). Do we have any option without using substring-before or substring?

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    Why can't you use the substring functions? Commented Apr 30, 2021 at 6:18
  • If you want to achieve something with one hand tied behind your back and wearing a blindfold, then it's a good idea to explain why you are restricted in this way, otherwise we have no motivation to help you with the task. Commented Apr 30, 2021 at 8:53

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this could work (XPath 2.0):

tokenize(@ID,'_')[1]
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