opensearch-docs-cn/_data-prepper/configuration/processors/substitute-string.md

1.1 KiB

layout title parent grand_parent nav_order
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.