help please on FODmap diet

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Hi i am looking for anyone who is on the FODmap diet ?? ...
i have crohn's disease and had it for a long time .. but recently i have been having a lot of problems with it ..and at the hospital the doctor has put me on this FODmap diet .
i am looking for anyone who is on it in regards to helping me understanding it more ..
i know that
FODMAPs are osmotic (means they pull water into the intestinal tract), may not be
digested or absorbed well and could be fermented upon by bacteria in the intestinal
tract when eaten in excess.
so i have 2 cut out all dairy foods ( which i have done anyway a long time ago)
but there is other things i need 2 cut out and that is carbohydrates and some food additives such as inulin ..
but there is so much 2 learn about it and its getting confusing lol ...
can anyone help on it ???