Expression rule for editable grid

Certified Associate Developer

I have an editable grid when i go to add a row and fill it with some values and then clone the same row.
I want to know that if the user clones or the data of both the rows is the same then the flag should be set to true and if the user clone the row and then change the data in that case set the flag as false.

can anybody help me to make expression rule.

Thanks 

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