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SUBMIT YOUR IDEAGuess I am not an advanced user. Can't decipher the solution provided. Here is the non-one-tool solution.
My solution.
It contains one tool solution and multi tools solution.
RegEx
Find : (\b\w+)(\s\1)+
Replace : \1
Learned new thing about RegEx
I'll need to revisit to work out the one tool solution (without just copying others!)