I hope I am wrong but it seems that when the user enters a comma ListViewCustom sees the comma as a separate item. I have looked in the reference documents for a solution with no help.
Please show your relevant blocks and prepare a simple .aia to demo the issue
Here are the blocks. The problem can not be seen here either.
It must be something to do with the comma.
Here is a copy of my image file I made. … Somehow it’s not showing the file.
If you do not need the exact comma, you can replace it with a similar character (temporarily).