Gsub Processor | Elasticsearch Reference [5.1]

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Gsub Processoredit

Converts a string field by applying a regular expression and a replacement. If the field is not a string, the processor will throw an exception.

Table 21. 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

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