# GROK DEBUGGER

**URL:** <https://discuss.elastic.co/t/grok-debugger/208490>\
**Category:** Logstash\
**Created:** [November 19, 2019, 10:40am UTC](https://discuss.elastic.co/t/grok-debugger/208490 "2019-11-19T10:40:52Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![Uma1](https://avatars.discourse-cdn.com/v4/letter/u/82dd89/32.png) [@Uma1](https://discuss.elastic.co/u/Uma1)\
**Post date:** [November 19, 2019, 10:40am UTC](https://discuss.elastic.co/t/grok-debugger/208490/1 "2019-11-19T10:40:52Z")

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19/Nov/2019:10:30:57 +0530 in grok debugger  
What will be the syntax for this type of logs

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**Author:** ![chandu5565](https://avatars.discourse-cdn.com/v4/letter/c/c57346/32.png) [@chandu5565](https://discuss.elastic.co/u/chandu5565)\
**Post date:** [November 21, 2019, 4:52am UTC](https://discuss.elastic.co/t/grok-debugger/208490/2 "2019-11-21T04:52:37Z")

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For pre defined grok patterns refer to below link.

> <https://github.com/elastic/logstash/blob/v1.4.2/patterns/grok-patterns>

For the timestamp which you mentioned you can use HTTPDATE pattern as below  
%{HTTPDATE:}

Post the full log for which you want to apply grok.

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<div class="post-metadata">

**Author:** ![Uma1](https://avatars.discourse-cdn.com/v4/letter/u/82dd89/32.png) [@Uma1](https://discuss.elastic.co/u/Uma1)\
**Post date:** [November 22, 2019, 1:33pm UTC](https://discuss.elastic.co/t/grok-debugger/208490/3 "2019-11-22T13:33:49Z")

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Thank you!  
I am having another doubt ,how to parse kafka logs in a 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:** [December 20, 2019, 1:34pm UTC](https://discuss.elastic.co/t/grok-debugger/208490/4 "2019-12-20T13:34:00Z")

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