# Dissect on a multiline message field

**URL:** <https://discuss.elastic.co/t/dissect-on-a-multiline-message-field/262122>\
**Category:** Beats\
**Tags:** filebeat\
**Created:** [January 25, 2021, 3:02pm UTC](https://discuss.elastic.co/t/dissect-on-a-multiline-message-field/262122 "2021-01-25T15:02:17Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![abev](https://avatars.discourse-cdn.com/v4/letter/a/e9a140/32.png) [@abev](https://discuss.elastic.co/u/abev)\
**Post date:** [January 25, 2021, 3:02pm UTC](https://discuss.elastic.co/t/dissect-on-a-multiline-message-field/262122/1 "2021-01-25T15:02:17Z")

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I have a multiline message field and I have to extract a field with tokenizer from a starting point to the end of the line. How can I select as ending point the new line?

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**Author:** ![abev](https://avatars.discourse-cdn.com/v4/letter/a/e9a140/32.png) [@abev](https://discuss.elastic.co/u/abev)\
**Post date:** [January 26, 2021, 2:50pm UTC](https://discuss.elastic.co/t/dissect-on-a-multiline-message-field/262122/2 "2021-01-26T14:50:13Z")

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Update: I did it with a script block and some str.match + regex

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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:** [February 23, 2021, 4:50pm UTC](https://discuss.elastic.co/t/dissect-on-a-multiline-message-field/262122/3 "2021-02-23T16:50:18Z")

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