Processors - HTML strip - 《Elasticsearch v7.9 Reference》

HTML strip processor

Removes HTML tags from the field. If the field is an array of strings, HTML tags will be removed from all members of the array.

Each HTML tag is replaced with a \n character.

Table 22. HTML Strip Options

Name	Required	Default	Description
`field`	yes	-	The string-valued field to remove HTML tags from
`target_field`	no	`field`	The field to assign the value to, by default `field` is updated in-place
`ignore_missing`	no	`false`	If `true` and `field` does not exist, 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.

{
  "html_strip": {
    "field": "foo"
  }
}