Caroline f64e9dccb4
Restructure Data Prepper plugins documentation (#2073)
* Removed content from Data Prepper reference and broke out into separate pages.

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* Checking in file to make sure it's the right version.

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* Minor update.

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* Updated files.

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* Adding Sinks file.

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* Added file to PR.

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* Corrected TOC hierarchy.

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* Added images and reorganized files.

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* Reconfigured some content based on David's feedback.

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* Modified reference page.

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* Fixed minor heading issue.

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* Minor edits.

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* Major edits, files created, moved, and content broken out from main config page.

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* Adding key value and processors pages to the PR.

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* Basic ToC reorg.

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* ToC updates.

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* Minor ToC updates.

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* Minor update.:

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* Minor edits to ToC again.

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* Minor updates.

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* Minor TOC update

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* Minor ToC updates.

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* Minor ToC updates.

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* Minor ToC updates.

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* Minor ToC updates.

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* Minor ToC updates.

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* Minor ToC changes.

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* Minor ToC updates.

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* ToC updates.

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* Minor ToC updates.

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* Minor ToC updates.

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* Minor ToC updates.

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* Minor ToC updates

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* Minor ToC changes.

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* Minor ToC changes.

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* Minor ToC changes.

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* Minor ToC changes.

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* Minor ToC changes.

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* Minor ToC edits.

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* Changed filename.

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* Minor ToC updates

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* Making small Toc changes.

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* Minor ToC updates.

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* Added comment blocks for Config and Metrics sections.

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* Minor ToC updates to add Sinks and Sources under config guide.

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default substitute_string Processors Configuring Data Prepper 45

substitute_string

Overview

Matches a key's value against a regular expression and replaces all matches with a replacement string. substitute_string is part of mutate string processors.

Option Required Type Description
entries Yes List List of entries. Valid values are source, from, and to.
source N/A N/A The key to modify.
from N/A N/A The Regex String to be replaced. Special regex characters such as [ and ] must be escaped using \\ when using double quotes and \ when using single quotes. See Java Patterns for more information.
to N/A N/A The String to be substituted for each match of from.