# How many entity examples are needed? \[GER\]

**URL:** <https://forum.rasa.com/t/how-many-entity-examples-are-needed-ger/255>\
**Category:** Rasa Open Source\
**Created:** [August 7, 2018, 9:36am UTC](https://forum.rasa.com/t/how-many-entity-examples-are-needed-ger/255 "2018-08-07T09:36:58Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![mjoellnier](https://avatars.discourse-cdn.com/v4/letter/m/b782af/32.png) [@mjoellnier](https://forum.rasa.com/u/mjoellnier)\
**Post date:** [August 7, 2018, 9:55am UTC](https://forum.rasa.com/t/how-many-entity-examples-are-needed-ger/255/3 "2018-08-07T09:55:34Z")

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good call! Is there any doku I missed on regex usage in the rasa stack? Especially when I’m using the FormAction to fill slots?

_EDIT_

Ah I found it in the NLU docs, thanks mate!: [http://nlu.rasa.com/dataformat.html?highlight=regular#markdown-format](http://nlu.rasa.com/dataformat.html?highlight=regular#markdown-format)

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