# Question on the capability of elastic SIEM

**URL:** <https://discuss.elastic.co/t/question-on-the-capability-of-elastic-siem/254843>\
**Category:** SIEM\
**Created:** [November 10, 2020, 3:17am UTC](https://discuss.elastic.co/t/question-on-the-capability-of-elastic-siem/254843 "2020-11-10T03:17:25Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![lusynda](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/lusynda/32/53557_2.png) [@lusynda](https://discuss.elastic.co/u/lusynda)\
**Post date:** [November 10, 2020, 3:17am UTC](https://discuss.elastic.co/t/question-on-the-capability-of-elastic-siem/254843/1 "2020-11-10T03:17:25Z")

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Hi all  
I have a question on how extent SIEM can query for data.  
Can siem query for regex data like the api can.

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**Author:** ![AngelaChuang](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/angelachuang/32/49719_2.png) [@AngelaChuang](https://discuss.elastic.co/u/AngelaChuang)\
**Post date:** [November 10, 2020, 7:10pm UTC](https://discuss.elastic.co/t/question-on-the-capability-of-elastic-siem/254843/2 "2020-11-10T19:10:02Z")

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Hello @lusynda,

There is an `add filter` button below the search bar where you can `edit the filter as DSL`.  
Is this what you are looking fore?

 ![Screenshot 2020-11-10 at 19.08.44](https://us1.discourse-cdn.com/elastic/original/3X/3/e/3eaf2e74395765d2b53a69e296e6e3a0e1f05262.png)

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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 8, 2020, 7:10pm UTC](https://discuss.elastic.co/t/question-on-the-capability-of-elastic-siem/254843/3 "2020-12-08T19:10:03Z")

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