String filter functions

These functions are available for use to provide advanced filtering options.

String functions

Characters Description
|| Two pipes (vertical bars) define the OR function.
&& Two ampersands define the AND function.
|! A pipe followed by an exclamation point define the OR NOT function.
&! The ampersand followed by an exclamation point define AND NOT function.
The following examples illustrate how the functions filter this list of data characters: A, AB, AC, ABC, B, BC, C. Note the different results.
Figure 14.   String filter examples
Filter Result
%A% && %C% ABC, AC
%A% && %C% &! %B% AC