# Find and replace string in \[message\] field

**URL:** <https://discuss.elastic.co/t/find-and-replace-string-in-message-field/96319>\
**Category:** Logstash\
**Created:** [August 8, 2017, 5:57pm UTC](https://discuss.elastic.co/t/find-and-replace-string-in-message-field/96319 "2017-08-08T17:57:12Z")\
**Posts on this page:** 1\
**Showing post:** 5

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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:** [August 16, 2017, 7:10pm UTC](https://discuss.elastic.co/t/find-and-replace-string-in-message-field/96319/5 "2017-08-16T19:10:56Z")

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You'd have to use a ruby filter for this.

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_[View the full topic](https://discuss.elastic.co/t/find-and-replace-string-in-message-field/96319)._