OpenSearch-Docs-Cn/_data-prepper/pipelines/configuration/processors/split-string.md

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split_string

The split_string processor splits a field into an array using a delimiting character and is a mutate string processor. The following table describes the options you can use to configure the split_string processor.

Option	Required	Type	Description
entries	Yes	List	List of entries. Valid values are source, delimiter, and delimiter_regex.
source	N/A	N/A	The key to split.
delimiter	No	N/A	The separator character responsible for the split. Cannot be defined at the same time as delimiter_regex. At least delimiter or delimiter_regex must be defined.
delimiter_regex	No	N/A	The regex string responsible for the split. Cannot be defined at the same time as delimiter. At least delimiter or delimiter_regex must be defined.