test string: this 33,44 is a fix for mybug44,99 real
                        bug 99 again   bug33r bug1722,3 bUg:99,
                        bugs:456, 17,   24 bugs 42,58 bug:  50,50
                        buggy99 bug3,:8,34 bug,,49 bug,84 bug:s12

Filtered:
 99
1722,3
99,

456, 17,   24
 42,58
  50,50

3

End Filtered

  unique:  50 3 58 17 456 42 99 24 1722
  sorted:  3 17 24 42 50 58 99 456 1722