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Elasticsearch Reference [6.3] » Ingest Node » Processors » Split Processor
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Split Processor

Splits a field into an array using a separator character. Only works on string fields.

Table 31. Split Options

Name Required Default Description

field

yes

-

The field to split

separator

yes

-

A regex which matches the separator, eg , or \s+

target_field

no

field

The field to assign the split 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

 
{
  "split": {
    "field": "my_field",
    "separator": "\\s+" 
  }
}

Treat all consecutive whitespace characters as a single separator
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