validation to restrict users to use English keyboard

ameneh maleki 26 Reputation points

I look for validation that restrict users to enter for example National Code with English Keyboard in sharepoint list, can you help me how I can set it?

SharePoint Server
SharePoint Server
A family of Microsoft on-premises document management and storage systems.
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  1. Allen Xu_MSFT 13,791 Reputation points

    Hi @ameneh maleki ,

    As per my understanding, you don't want users to type in English characters in the fields like National Code as it should be composed of "+" and numbers. If so, you can refer to the below JS code and embed it into the new item page using the script editor web part. Please use Regular Expression in PreSaveAction method like this:

    Alert will pop out if users type English characters in my test field. And invalid items cannot be saved to the list.
    If you type valid characters in this field, it can be successfully saved to the list.
    Please feel free to let me know if i misunderstand what you mean.

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