# How to find all String Type Methods of Painless

**URL:** <https://discuss.elastic.co/t/how-to-find-all-string-type-methods-of-painless/276623>\
**Category:** Elasticsearch\
**Tags:** painless\
**Created:** [June 22, 2021, 8:57am UTC](https://discuss.elastic.co/t/how-to-find-all-string-type-methods-of-painless/276623 "2021-06-22T08:57:05Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![john.zhang](https://avatars.discourse-cdn.com/v4/letter/j/c89c15/32.png) [@john.zhang](https://discuss.elastic.co/u/john.zhang)\
**Post date:** [June 22, 2021, 8:57am UTC](https://discuss.elastic.co/t/how-to-find-all-string-type-methods-of-painless/276623/1 "2021-06-22T08:57:05Z")

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Hi All,

I am a newer.  
I am curious , why not find any document for string type method of painless language.  
Please help tell me where to find?  
Thank you

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**Author:** ![spinscale](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/spinscale/32/25011_2.png) [@spinscale](https://discuss.elastic.co/u/spinscale)\
**Post date:** [June 22, 2021, 9:33am UTC](https://discuss.elastic.co/t/how-to-find-all-string-type-methods-of-painless/276623/2 "2021-06-22T09:33:33Z")

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See [elasticsearch/java.lang.txt at 7.13 · elastic/elasticsearch · GitHub](https://github.com/elastic/elasticsearch/blob/7.13/modules/lang-painless/src/main/resources/org/elasticsearch/painless/spi/java.lang.txt#L736-L778)

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<div class="post-metadata">

**Author:** ![spinscale](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/spinscale/32/25011_2.png) [@spinscale](https://discuss.elastic.co/u/spinscale)\
**Post date:** [June 22, 2021, 9:37am UTC](https://discuss.elastic.co/t/how-to-find-all-string-type-methods-of-painless/276623/3 "2021-06-22T09:37:20Z")

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This is also listed in the [Painless Reference API](https://www.elastic.co/guide/en/elasticsearch/painless/7.13/painless-api-reference.html)

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<div class="post-metadata">

**Author:** ![john.zhang](https://avatars.discourse-cdn.com/v4/letter/j/c89c15/32.png) [@john.zhang](https://discuss.elastic.co/u/john.zhang)\
**Post date:** [June 23, 2021, 3:53am UTC](https://discuss.elastic.co/t/how-to-find-all-string-type-methods-of-painless/276623/4 "2021-06-23T03:53:11Z")

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Thank you very much.

Painless Reference API: I only find stringbuilder and stringbuffer

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [July 21, 2021, 3:54am UTC](https://discuss.elastic.co/t/how-to-find-all-string-type-methods-of-painless/276623/5 "2021-07-21T03:54:02Z")

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