1    /ALL

    Searches the specified range for all occurrences of the string
    and display every line containing the string.

2    /NEXT

    Searches the specified range for the first occurrence of the
    string and display that line. This is the default.

3    /IDENTIFIER

    Names the string as an identifier. The specified range is
    searched for the first occurrence of this identifier. If the
    string (identifier) is bound on either side by a character that
    can be part of an identifier defined by the SET LANGUAGE command,
    then it is not displayed. The search continues until it finds an
    occurrence of the string that is not bound by such characters.

4    /STRING

    Searches the specified range for an occurrence of the string
    without interpreting the context surrounding the string. This is
    the default.