search example

 int  main()  {
         string  s  =  "this  is  a  sentence";
         char  w[ ]  =  "is";
         string::iterator  r  =  search(s.begin(),
                          s.end(),  w,  w  +  strlen(w));
         cout  <<  "Found  "  <<  w  <<  "  at  "
                  <<  r  -  s.begin()  <<  endl;
 }