# String manipulation in painless script
**URL:** https://discuss.elastic.co/t/string-manipulation-in-painless-script/65239
**Category:** Elasticsearch
**Created:** [November 7, 2016, 3:16pm UTC](https://discuss.elastic.co/t/string-manipulation-in-painless-script/65239 "2016-11-07T15:16:48Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@ahmmum](https://discuss.elastic.co/u/ahmmum)
#### Post date: [November 7, 2016, 3:16pm UTC](https://discuss.elastic.co/t/string-manipulation-in-painless-script/65239/1 "2016-11-07T15:16:48Z")
I need to compute some scores using query string and title of a document, which are not exposed by elasticsearch. I need to split a string to a list as follows: 'applie pie' --\> ['apple', 'pie'] . I am using custom script scoring by painless scripts.
How can I do that?
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### Author:  [@spinscale](https://discuss.elastic.co/u/spinscale)
#### Post date: [November 7, 2016, 4:46pm UTC](https://discuss.elastic.co/t/string-manipulation-in-painless-script/65239/2 "2016-11-07T16:46:46Z")
Hey,
you can try sth like `"ctx._source.foo = /,/.split(ctx._source.foo)"` - but this requires you to explicitely enable regexes, as those are not considered secure.
--Alex
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### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [December 6, 2016, 10:11pm UTC](https://discuss.elastic.co/t/string-manipulation-in-painless-script/65239/4 "2016-12-06T22:11:08Z")
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