# Drop message content

**URL:** <https://discuss.elastic.co/t/drop-message-content/242158>\
**Category:** Logstash\
**Created:** [July 22, 2020, 9:14am UTC](https://discuss.elastic.co/t/drop-message-content/242158 "2020-07-22T09:14:50Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Champion\_Xie](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/champion_xie/32/71770_2.png) [@Champion\_Xie](https://discuss.elastic.co/u/Champion_Xie)\
**Post date:** [July 22, 2020, 9:14am UTC](https://discuss.elastic.co/t/drop-message-content/242158/1 "2020-07-22T09:14:50Z")

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hi all,  
message content  
07/20/20 23:57:48 INFO transfercity:sh(city/cityTransferQueryBusiness.cpp:72)

how to only get  
07/20/20 23:57:48 INFO transfercity:sh

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**Author:** ![grumo35](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/grumo35/32/59451_2.png) [@grumo35](https://discuss.elastic.co/u/grumo35)\
**Post date:** [July 22, 2020, 9:35am UTC](https://discuss.elastic.co/t/drop-message-content/242158/2 "2020-07-22T09:35:22Z")

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Hi,

You should look into grok patterns here is the documentation : [https://www.elastic.co/guide/en/logstash/current/plugins-filters-grok.html](https://www.elastic.co/guide/en/logstash/current/plugins-filters-grok.html)

You can always test those pattern inside your Kibana in the "Dev Tools" \> "Grok Debugger"

Good luck !

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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:** [August 19, 2020, 9:35am UTC](https://discuss.elastic.co/t/drop-message-content/242158/3 "2020-08-19T09:35:23Z")

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