find duplicates in string in access query

I need to write a  query that will identify if a string has duplicate words in it.

am in access query grid

not sure how.
PeterBaileyUkAsked:
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PatHartmanCommented:
You can't do this with just a query.  You'll need to write a function that finds the duplicates.  You can then call the function from your query and select rows where the count is >1 or true or whatever you have your function return when it finds duplicates.
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Dale FyeCommented:
Peter, can you give an example?

"now is the time for all good men to come to the aid of their country"

this has 2 "to" and 2 "the",  but is that what you have in mind?  Do you need to do this in a query? is a function OK? are you looking for duplicates of any word, or just specific words?
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PeterBaileyUkAuthor Commented:
"hello fred fred how are you"
"hello 110 this is 110 fred"

"this is fred and fred and fred a lots of them"
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PeterBaileyUkAuthor Commented:
duplicates of any word. I dont need to know what they are just that a duplicate occurred for now.
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PatHartmanCommented:
I don't have the time to write this for  you (and that isn't our job here anyway) but one possible method is to use the split() function to split out all the words into individual array entries.  Then you loop through the array in the outer loop to pick up the next word and in the inner loop to find any duplicates.  However, you will probably want to make the loop smarter and once you have found how many instances of Fred exist, not allow the next instance of Fred in the outer loop to trigger the scan of the array again.

You also need to decide if you will exit the loop once you find ANY duplication (easiest) because if you need to report multiple sets of duplicates, you have to now create an array or table to hold them and some way to report on them.
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PeterBaileyUkAuthor Commented:
ok i will word around array
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