Trim Processor | Elasticsearch Reference [5.1]

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Trim Processoredit

Trims whitespace from field.

This only works on leading and trailing whitespace.

Table 31. Trim Options

Name	Required	Default	Description
`field`	yes	-	The string-valued field to trim whitespace from
`ignore_missing`	no	`false`	If `true` and `field` does not exist, the processor quietly exits without modifying the document

{
  "trim": {
    "field": "foo"
  }
}