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sub - Substring

Other versions: 7.31 | 7.40 | 7.54

Syntax

... ( ... sub = substring ...  ) ...

Effect

substring is used to pass a character string whose characters are to be found or inserted. substring is a character like expression position. If a character-like data object with a fixed length is specified, any trailing blanks are ignored.

Note

The behavior displayed when an empty string is specified in substring depends on the function in question.