21   grep: invalid match pattern: nothing to repeat

    21   grep: invalid match pattern: nothing to repeat

    22   [1]

    22   [1]

    23 

    23 

    24 simple

    24 simple

    25 

    25 

    26   $ hg grep port port

    30   $ hg grep port port

    27   port:4:export

    31   port:4:export

    28   port:4:vaportight

    32   port:4:vaportight

    29   port:4:import/export

    33   port:4:import/export

    30 

    34