It can contain a maximum of 32,767 characters.
Later characters can include letters, underscores, and numeric digits.
A name token can contain up to 32,767 characters. In most contexts, however, SAS names are limited to a shorter maximum length, such as 32 or 8 characters. See Maximum Length of User-Supplied SAS Names . The blank can end a name or a number token, but it is not a token. You can begin SAS statements in any column of a line and write several statements on the same line.