# N-gram Tokenizer by words

**URL:** <https://discuss.elastic.co/t/n-gram-tokenizer-by-words/223471>\
**Category:** Elasticsearch\
**Created:** [March 13, 2020, 8:18am UTC](https://discuss.elastic.co/t/n-gram-tokenizer-by-words/223471 "2020-03-13T08:18:49Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![David\_Han](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/david_han/32/45326_2.png) [@David\_Han](https://discuss.elastic.co/u/David_Han)\
**Post date:** [March 13, 2020, 8:18am UTC](https://discuss.elastic.co/t/n-gram-tokenizer-by-words/223471/1 "2020-03-13T08:18:49Z")

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In elasticsearch , the n-gram means divide the string by letter.  
For example , "this is a dog" will divide to ['t','th','thi','this' .....etc].  
Is there a way to do n-gram by two words.  
For example , "this is a dog" will divide to ['this is','is a','a dog'].

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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:** [March 13, 2020, 9:26am UTC](https://discuss.elastic.co/t/n-gram-tokenizer-by-words/223471/2 "2020-03-13T09:26:27Z")

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Welcome!

Have a look at shingles: [https://www.elastic.co/guide/en/elasticsearch/reference/current/analysis-shingle-tokenfilter.html](https://www.elastic.co/guide/en/elasticsearch/reference/current/analysis-shingle-tokenfilter.html)

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<div class="post-metadata">

**Author:** ![David\_Han](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/david_han/32/45326_2.png) [@David\_Han](https://discuss.elastic.co/u/David_Han)\
**Post date:** [March 14, 2020, 7:16am UTC](https://discuss.elastic.co/t/n-gram-tokenizer-by-words/223471/3 "2020-03-14T07:16:54Z")

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Thank you so mush.  
That's what I need.

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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:** [April 11, 2020, 7:29am UTC](https://discuss.elastic.co/t/n-gram-tokenizer-by-words/223471/4 "2020-04-11T07:29:58Z")

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