elasticsearch/docs/reference/query-languages/esql/_snippets/functions/split.md

SPLIT [esql-split]

Syntax

:::{image} ../../../../../images/split.svg :alt: Embedded :class: text-center :::

Parameters

string

String expression. If null, the function returns null.

delim

Delimiter. Only single byte delimiters are currently supported.

Description

Split a single valued string into multiple strings.

Supported types

string	delim	result
keyword	keyword	keyword
keyword	text	keyword
text	keyword	keyword
text	text	keyword

Example

ROW words="foo;bar;baz;qux;quux;corge"
| EVAL word = SPLIT(words, ";")

words:keyword	word:keyword
foo;bar;baz;qux;quux;corge	[foo,bar,baz,qux,quux,corge]