# Defining grok patterns

**URL:** <https://discuss.elastic.co/t/defining-grok-patterns/40700>\
**Category:** Logstash\
**Created:** [February 2, 2016, 7:19am UTC](https://discuss.elastic.co/t/defining-grok-patterns/40700 "2016-02-02T07:19:13Z")\
**Posts on this page:** 3\
**Page:** 2

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**Author:** ![lucifer](https://avatars.discourse-cdn.com/v4/letter/l/ad7895/32.png) [@lucifer](https://discuss.elastic.co/u/lucifer)\
**Post date:** [February 12, 2016, 5:19am UTC](https://discuss.elastic.co/t/defining-grok-patterns/40700/21 "2016-02-12T05:19:44Z")

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I also want to know this. Can someone help?

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**Author:** ![magnusbaeck](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/magnusbaeck/32/44943_2.png) [@magnusbaeck](https://discuss.elastic.co/u/magnusbaeck)\
**Post date:** [February 12, 2016, 6:30am UTC](https://discuss.elastic.co/t/defining-grok-patterns/40700/22 "2016-02-12T06:30:44Z")

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> What are usually the use cases while using the ELK stack for log analysis?

I suggest you start a new thread for this very different question as the current thread is probably only read by participants and people with an interest in grok.

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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:** [July 6, 2017, 5:11am UTC](https://discuss.elastic.co/t/defining-grok-patterns/40700/23 "2017-07-06T05:11:52Z")

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