[vtkusers] how can I access one of the element of my string of entryId = "0020|0032";

[Alireza Salamy]

Hi all users,
  I calculate the dicime tags of MY images and I got the value of 
  entryId = "0020|0032";
  as a string which is :94.526847839355\-140.56767469737\116.266642509959,
  Now I need each of three number of this string for putting in my matrix.Can anybody tell me how can I get out forexample the first element which is 94.526847839355 from the string?
  Thanks,
  Alireza

       
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