Note: Autocall macros are included
in a library supplied by SAS. This library might not be installed
at your site or might be a site-specific version. If you cannot access
this macro or if you want to find out if it is a site-specific version,
see your on-site SAS support personnel. For more information, see
Storing and Reusing Macros.
%VERIFY returns the
position of the first character in
source that is not also present in
excerpt. If all characters in
source are present in
excerpt, %VERIFY
returns 0.