XML operation in ColdFusion -

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i have problem xml, in case receive xml data. want delete it, because crashes result. 

 <a:exceptioninformation>     <a:exceptioninformation>         <a:description>xxx</a:description>          <a:exceptiontype>yyy</a:exceptiontype>     </a:exceptioninformation> </a:exceptioninformation>  <a:exceptioninformation>     <a:exceptioninformation>         <a:description>aaa</a:description>          <a:exceptiontype>yyy</a:exceptiontype>     </a:exceptioninformation> </a:exceptioninformation>

i want find node exceptiontype == yyy , delete all:

 <a:exceptioninformation>     <a:exceptioninformation>         <a:description>aaa</a:description>          <a:exceptiontype>yyy</a:exceptiontype>     </a:exceptioninformation>  </a:exceptioninformation>


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