The behavior you encounter is normal and the differences between the two functionalities are expected because they are designed for different purposes. The functionality you want can be achieved by customizing the RadEditor via the client-side event handler OnClientPasteHtml
. This is done by attaching a method to this handler which is using regular expressions for replacing the
with empty literal.
I am sending you an example project that demonstrates the described functionality. You can follow it for your project and customize it further to reach your expectations.
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