原文地址: https://www.elastic.co/guide/en/elasticsearch/reference/7.7/gsub-processor.html, 原文档版权归 www.elastic.co 所有

Gsub Processoredit

Converts a string field by applying a regular expression and a replacement. If the field is an array of string, all members of the array will be converted. If any non-string values are encountered, the processor will throw an exception.

Table 50. Gsub Options

Name Required Default Description

field

yes

-

The field to apply the replacement to

pattern

yes

-

The pattern to be replaced

replacement

yes

-

The string to replace the matching patterns with

target_field

no

field

The field to assign the converted value to, by default field is updated in-place

ignore_missing

no

false

If true and field does not exist or is null, the processor quietly exits without modifying the document

if

no

-

Conditionally execute this processor.

on_failure

no

-

Handle failures for this processor. See Handling Failures in Pipelines.

ignore_failure

no

false

Ignore failures for this processor. See Handling Failures in Pipelines.

tag

no

-

An identifier for this processor. Useful for debugging and metrics.

{
  "gsub": {
    "field": "field1",
    "pattern": "\.",
    "replacement": "-"
  }
}