# Lucene : Regex & group by

**URL:** https://discuss.elastic.co/t/lucene-regex-group-by/349929
**Category:** Kibana
**Created:** [December 26, 2023, 7:59am UTC](https://discuss.elastic.co/t/lucene-regex-group-by/349929 "2023-12-26T07:59:56Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![Jagadeesh\_Venkatesh](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/jagadeesh_venkatesh/32/130315_2.png) [@Jagadeesh\_Venkatesh](https://discuss.elastic.co/u/Jagadeesh_Venkatesh)
#### Post date: [December 26, 2023, 7:59am UTC](https://discuss.elastic.co/t/lucene-regex-group-by/349929/1 "2023-12-26T07:59:56Z")

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write a regular expression for this " Generating JWT token for user : psi-sci-3 " using Lucene in Kibana search to extract the keyword "psi-sci-3" and group by count by "psi-sci-3"?

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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: [January 23, 2024, 8:00am UTC](https://discuss.elastic.co/t/lucene-regex-group-by/349929/2 "2024-01-23T08:00:12Z")

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