# \#rules

**URL:** https://community.triggre.com/tag/rules/36.md

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## [70. Complex validation rules](https://community.triggre.com/t/70-complex-validation-rules/715)

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**Author:** [@Marta](https://community.triggre.com/u/Marta)\
**Replies:** 0\
**Last updated:** [June 14, 2024, 7:28am UTC](https://community.triggre.com/t/70-complex-validation-rules/715 "2024-06-14T07:28:31Z")

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In this new video of the “Triggre Weekend Masterclass” series, Eddie shows you how to add a complex validation rule to a form field with a real-world example that checks whether the introduced Dutch IBAN number is correc…

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## [Using the rule editor](https://community.triggre.com/t/using-the-rule-editor/753)

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**Author:** [@Mar](https://community.triggre.com/u/Mar)\
**Replies:** 0\
**Last updated:** [December 31, 2019, 11:00pm UTC](https://community.triggre.com/t/using-the-rule-editor/753 "2019-12-31T23:00:00Z")

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In Triggre, Rules are used in many places, from filtering the data you want to show in a table, looking up data to Decisions. In this article, we show you how to make a Rule for a Decision. The same principles apply to a…