xpath doesn't support substring !

Hello there, 
I got one comment 
I want to select the node whose value contains a substring.
 For eg: 
 
 <Data>
   <ID>1</ID> 
   <Name>Abramson, Norman</Name> 
 </Data>
 
 I want to select the <Name> node containing "Abramson" , so I cannot use the = operator, but I found no "substring" command. I must query all nodes, check them all, kind of lengthy job !
Hope to get this feature someday, thanks for reading.


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