Hi,
As per title, the issue able to reproduce in the demo site: https://demos.telerik.com/aspnet-ajax/editor/examples/overview/defaultcs.aspx
Step:
1. Open the 'Find And Replace' dialog.
2. Go to 'Replace' tab.
3. Find a word to replace.
4. In the Search Option, set the direction to 'Up'.
5. Click 'Replace All'.
A 'The search string was not found.' pop out even the string exists in the RadEditor. It only happens to 'Up' direction, 'Down' direction working fine.
Please help.
Thank you.