UpcEanExtensionBehavior

Only barcodes with a 2-digit extension are accepted.

Only barcodes with a 5-digit extension are accepted.

Only barcodes with either a 2-digit or a 5-digit extension are accepted.

Always ignore the extension.

Return detected 2-digit extension if present, but do not require it. Ignore the 5-digit extension.

Return detected 5-digit extension if present, but do not require it. Ignore the 2-digit extension.

Return any detected extension if present, but do not require it.

Returns a representation of an immutable list of all enum entries, in the order they're declared.

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Returns an array containing the constants of this enum type, in the order they're declared.