identifier-4 or literal-2

Is the delimiter.

Identifier-4 can be:

• An elementary alphanumeric data item
• A numeric data item with USAGE DISPLAY
• X An external floating point item

Literal-2 must be nonnumeric, and can be any figurative constant that does not begin with the word ALL. If literal-2 is a figurative constant, it is considered to be 1 character in length.

Delimiters are not counted or replaced. However, the counting and/or replacing of the inspected item is bounded by the presence of the identifiers and literals.

INITIAL

The first occurrence of a specified item.

• When BEFORE is specified, counting and/or replacing of the inspected item (identifier-1) begins at the leftmost character and continues until the first occurrence of the delimiter is encountered. If no delimiter is present in the inspected item, counting and/or replacing continues toward the rightmost character.

• When AFTER is specified, counting and/or replacing of the inspected item (identifier-1) begins with the first character to the right of the delimiter and continues toward the rightmost character in the inspected item. If no delimiter is present in the inspected item, no counting or replacement takes place.

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