# Alphabetic to Basic Latin Unicode

**URL:** <https://discuss.elastic.co/t/alphabetic-to-basic-latin-unicode/315112>\
**Category:** Elasticsearch\
**Tags:** elastic-stack-sql\
**Created:** [September 26, 2022, 12:12am UTC](https://discuss.elastic.co/t/alphabetic-to-basic-latin-unicode/315112 "2022-09-26T00:12:12Z")\
**Posts on this page:** 7\
**Page:** 1

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**Author:** ![smkarnan](https://avatars.discourse-cdn.com/v4/letter/s/f05b48/32.png) [@smkarnan](https://discuss.elastic.co/u/smkarnan)\
**Post date:** [September 26, 2022, 12:12am UTC](https://discuss.elastic.co/t/alphabetic-to-basic-latin-unicode/315112/1 "2022-09-26T00:12:12Z")

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How to Elasticsearch Basic Latin character using English Alphabetic

Ex:- Francois to François - c also so to include ç  
Ex:- a also to included ā

it's other way around of asciifolding

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**Author:** ![Christian\_Dahlqvist](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/christian_dahlqvist/32/4617_2.png) [@Christian\_Dahlqvist](https://discuss.elastic.co/u/Christian_Dahlqvist)\
**Post date:** [September 26, 2022, 5:07am UTC](https://discuss.elastic.co/t/alphabetic-to-basic-latin-unicode/315112/2 "2022-09-26T05:07:16Z")

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Why do you want to do this? What is the problem you are trying to solve?

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<div class="post-metadata">

**Author:** ![smkarnan](https://avatars.discourse-cdn.com/v4/letter/s/f05b48/32.png) [@smkarnan](https://discuss.elastic.co/u/smkarnan)\
**Post date:** [September 26, 2022, 6:09am UTC](https://discuss.elastic.co/t/alphabetic-to-basic-latin-unicode/315112/3 "2022-09-26T06:09:35Z")

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Elasticsearch should result latin char also when look for 'carols' it should include both  
carlos  
çarlos

how can I achieve that? I'm actually new Elasticsearch.  
thanks,

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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:** [September 26, 2022, 6:55am UTC](https://discuss.elastic.co/t/alphabetic-to-basic-latin-unicode/315112/4 "2022-09-26T06:55:11Z")

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Use this:

> **[ASCII folding token filter | Elasticsearch Guide \[8.4\] | Elastic](https://www.elastic.co/guide/en/elasticsearch/reference/current/analysis-asciifolding-tokenfilter.html)**

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<div class="post-metadata">

**Author:** ![smkarnan](https://avatars.discourse-cdn.com/v4/letter/s/f05b48/32.png) [@smkarnan](https://discuss.elastic.co/u/smkarnan)\
**Post date:** [September 26, 2022, 7:34am UTC](https://discuss.elastic.co/t/alphabetic-to-basic-latin-unicode/315112/5 "2022-09-26T07:34:27Z")

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Thank you!  
asciifolding works for (ā to a).  
but is there any class does otrherway around of asciifolding. I want the reverse pattern (a also to included ā)

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<div class="post-metadata">

**Author:** ![Christian\_Dahlqvist](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/christian_dahlqvist/32/4617_2.png) [@Christian\_Dahlqvist](https://discuss.elastic.co/u/Christian_Dahlqvist)\
**Post date:** [September 26, 2022, 7:36am UTC](https://discuss.elastic.co/t/alphabetic-to-basic-latin-unicode/315112/6 "2022-09-26T07:36:21Z")

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You do not need it. Analysis is performed both at index and query time. When you index your data ascii folding ensures you index a simplified form. When you send in a query string this is also ascii folded and therefore creates a match.

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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:** [October 24, 2022, 7:36am UTC](https://discuss.elastic.co/t/alphabetic-to-basic-latin-unicode/315112/7 "2022-10-24T07:36:22Z")

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