# Split data in painless

**URL:** <https://discuss.elastic.co/t/split-data-in-painless/327576>\
**Category:** Elasticsearch\
**Tags:** painless\
**Created:** [March 13, 2023, 3:18pm UTC](https://discuss.elastic.co/t/split-data-in-painless/327576 "2023-03-13T15:18:18Z")\
**Posts on this page:** 4\
**Page:** 1

<div class="post-metadata">

**Author:** ![Daniel\_Lopez](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/daniel_lopez/32/50639_2.png) [@Daniel\_Lopez](https://discuss.elastic.co/u/Daniel_Lopez)\
**Post date:** [March 13, 2023, 3:18pm UTC](https://discuss.elastic.co/t/split-data-in-painless/327576/1 "2023-03-13T15:18:19Z")

</div>

Hi team

This is part of a watcher that i'm doing, but split part is nor working, this is my example

```auto
  String indices = "index1\nindex2\n";
       String[] arr = indices.split('\n');
       
        return arr;

```

But i get an error spliting the data

---

<div class="post-metadata">

**Author:** ![aaron-nimocks](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/aaron-nimocks/32/73965_2.png) [@aaron-nimocks](https://discuss.elastic.co/u/aaron-nimocks)\
**Post date:** [March 23, 2023, 2:48pm UTC](https://discuss.elastic.co/t/split-data-in-painless/327576/2 "2023-03-23T14:48:23Z")

</div>

Tested in Painless Lab in Kibana.

**Parameters**

```auto
{
  "string_parameter": "index1\nindex2\n"
}

```

**Code**

```auto
String[] myArray = /\n/.split(params.string_parameter);
return myArray[0];

```

**Output**

```auto
index1

```

---

<div class="post-metadata">

**Author:** ![Daniel\_Lopez](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/daniel_lopez/32/50639_2.png) [@Daniel\_Lopez](https://discuss.elastic.co/u/Daniel_Lopez)\
**Post date:** [March 27, 2023, 6:28pm UTC](https://discuss.elastic.co/t/split-data-in-painless/327576/3 "2023-03-27T18:28:52Z")

</div>

sorry for the delay, it works for me!! thanks!

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [April 24, 2023, 6:29pm UTC](https://discuss.elastic.co/t/split-data-in-painless/327576/4 "2023-04-24T18:29:51Z")

</div>

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