# Start-with phrase search in document \_id. Case-sensitivity problem
**URL:** https://discuss.elastic.co/t/start-with-phrase-search-in-document--id-case-sensitivity-problem/21626
**Category:** Elasticsearch
**Created:** [January 14, 2015, 7:38am UTC](https://discuss.elastic.co/t/start-with-phrase-search-in-document--id-case-sensitivity-problem/21626 "2015-01-14T07:38:51Z")
**Posts on this page:** 2
**Page:** 1
### Author:  [@shtriha](https://discuss.elastic.co/u/shtriha)
#### Post date: [January 14, 2015, 7:38am UTC](https://discuss.elastic.co/t/start-with-phrase-search-in-document--id-case-sensitivity-problem/21626/1 "2015-01-14T07:38:51Z")
I want to search a phrase in document \_id.
I added configuration to mapping template: "\_id" : { "index":
"not\_analyzed" }. It works just fine, the problem occurs when \_id contains
lowercase and uppercase letters. For example for \_id "BigMonkey" it
searches phrase by "\*onkey" but can't find it by "\*Monkey". How this can be
fixed?
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### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [July 6, 2017, 12:39am UTC](https://discuss.elastic.co/t/start-with-phrase-search-in-document--id-case-sensitivity-problem/21626/2 "2017-07-06T00:39:07Z")