# Use replace function in elasticsearch like in sql

**URL:** <https://discuss.elastic.co/t/use-replace-function-in-elasticsearch-like-in-sql/127191>\
**Category:** Elasticsearch\
**Created:** [April 8, 2018, 4:49am UTC](https://discuss.elastic.co/t/use-replace-function-in-elasticsearch-like-in-sql/127191 "2018-04-08T04:49:36Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![famo](https://avatars.discourse-cdn.com/v4/letter/f/a698b9/32.png) [@famo](https://discuss.elastic.co/u/famo)\
**Post date:** [April 8, 2018, 4:49am UTC](https://discuss.elastic.co/t/use-replace-function-in-elasticsearch-like-in-sql/127191/1 "2018-04-08T04:49:36Z")

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Hi  
I know about "Pattern Replace Char Filter" but Is there any conceptlike replace function in sql ?  
I want to change name fileds in elasticsearch then search for my desierd name but I don;t want to save changed name in elasticsearch. For example in sql i Wrote : select \* from student where replace(name,"b", "m") = searchName

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**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\
**Post date:** [April 8, 2018, 5:06am UTC](https://discuss.elastic.co/t/use-replace-function-in-elasticsearch-like-in-sql/127191/2 "2018-04-08T05:06:47Z")

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Isn't that something easy to do on client side?

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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:** [May 6, 2018, 5:06am UTC](https://discuss.elastic.co/t/use-replace-function-in-elasticsearch-like-in-sql/127191/3 "2018-05-06T05:06:52Z")

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