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Is "as regards to" grammatically correct or should it be "in regards to"?
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In/with regard to = as regards = regarding
.

With regards to = accompanied by a respectful greeting to.
Comments  
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"As regards" does not require the preposittion "to"; "in regard to" and with regard to" require it.
TaraC Is "as regards to" grammatically correct or should it be "in regards to"?
should it be in regards to
No. Read the whole thread.
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