Naarcha-AWS 4251fb04bd
Add DLQ and aggregate processor edits. Baseline processor names (#3880)
* Add DLQ and aggregate processor edits. Baseline processor names

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* Remove processor from titles

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* Update dlq.md

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* Apply suggestions from code review

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* Update dlq.md

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* Fix processor title

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Signed-off-by: Naarcha-AWS <naarcha@amazon.com>
Signed-off-by: Naarcha-AWS <97990722+Naarcha-AWS@users.noreply.github.com>
Co-authored-by: kolchfa-aws <105444904+kolchfa-aws@users.noreply.github.com>
Co-authored-by: Nathan Bower <nbower@amazon.com>
2023-04-27 14:01:01 -05:00

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---
layout: default
title: split_string
parent: Processors
grand_parent: Pipelines
nav_order: 100
---
# split_string
The `split_string` processor splits a field into an array using a delimiting character and is a [mutate string](https://github.com/opensearch-project/data-prepper/tree/main/data-prepper-plugins/mutate-string-processors#mutate-string-processors) 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.
<!---## Configuration
Content will be added to this section.
## Metrics
Content will be added to this section.--->