Filtering out strings in a list


    May 06 2011 | 6:19 am
    Hi,
    If I have this list: hello 1 2 3 goodbye
    Then I would like to filter out the strings hello and goodbye, so I end up with this list:
    1 2 3
    How do I do this?
    Best,
    Kaspar

    • May 06 2011 | 6:42 am
      [zl filter]?
      hth ole
    • May 06 2011 | 6:44 am
      or a regexp one
    • May 06 2011 | 6:57 am
      Hmm, what if the strings hello and goodbye were any string?
      - how do I filter out any words?
    • May 06 2011 | 7:43 am
      I would do it this way:
      aa