The FINDW FUNCTION is available beginning in SAS 9.2. It returns the
character position of a word in a string, or returns the number of the
word in a string.

The 'e' modifier is used as the third parameter to return where the supplied word in argument two is found
in the String variable, as in this example:

   data _null_;
      string='Artists from around the country display their art at
              an art festival.';
      result=findw(string,'art',' ','E');
      put result=;
   run;

SAS writes the following output to the log because the word "art" is the eighth word in the String variable:

   result=8

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