# Find a pattern within field's value using regular expression Kibana UI

**URL:** <https://discuss.elastic.co/t/find-a-pattern-within-fields-value-using-regular-expression-kibana-ui/324885>\
**Category:** Kibana\
**Tags:** search\
**Created:** [February 7, 2023, 10:28am UTC](https://discuss.elastic.co/t/find-a-pattern-within-fields-value-using-regular-expression-kibana-ui/324885 "2023-02-07T10:28:19Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![aklimo](https://avatars.discourse-cdn.com/v4/letter/a/278dde/32.png) [@aklimo](https://discuss.elastic.co/u/aklimo)\
**Post date:** [February 7, 2023, 10:28am UTC](https://discuss.elastic.co/t/find-a-pattern-within-fields-value-using-regular-expression-kibana-ui/324885/1 "2023-02-07T10:28:19Z")

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Hello,  
I am trying to find a pattern within the field using regular expression and it's not working the way I think it should.

The field is message.ApiData.ResponseBody and it contains a JSON response. It is a collection of multiple objects with "price" property. I am looking for ResponseBody that contain only the 0.00 prices. I tried to find those that do not contain "price":digit digit. to no avail . below is what I used

`NOT message.ApiData.ResponseBody : \"price\"\:\d\d\.`  
Thanks in advance

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [March 7, 2023, 10:28am UTC](https://discuss.elastic.co/t/find-a-pattern-within-fields-value-using-regular-expression-kibana-ui/324885/2 "2023-03-07T10:28:58Z")

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