"regarded as different from" is correct and usable in written English.
You can use it when you want to express that someone considers something to be different from something else. For example, "People around the world are often regarded as different from one another in terms of culture and values."
Why Friday should be regarded as different from other weekdays was inexplicable.
Those searches are regarded as different from paid advertising on search engines.
Biosimilars are regarded as different from generics, which are considered to be chemically identical to their reference product.
The view that existential distress is a controversial indication for palliative sedation therapy implies that this kind of suffering is regarded as different from somatic symptoms.
Some patients with post-stroke depression develop apathy [ 5]; however, apathy should probably be regarded as different from depression and it requires distinct prognostic and therapeutic strategies.
Similarly, the morphological studies based on the absence of kinetoplast in a variable proportion of the population ranging from 0% (T. equinum) to 100% or intermediary (T. venezuelense) did not lead to any substantial distinction, and the dyskinetoplastic (or even akinetoplastic) strains are no longer regarded as different from T. evansi.
Indeed, if after one or several secessions a state is regarded as substantially different from the initial state, it may lose its juridical personality and transform itself into a new state.
Thus, R. microplus from South Africa and Australia might be regarded as different species [ 8].
Although at times the Hebrew and Greek of the Bible have been treated as sacred languages, and the history contained in the text has been regarded as somehow different from "ordinary" history, most forms of biblical exegesis employed in the modern era are applicable to many other bodies of literature.
This will keep Mexico's foreign policy attuned to the new century.SANTIAGO OÑATEMexican ambassadorLondonTop tipsSIR In America, a minimum level of tipping is regarded as no different from paying a compulsory service charge in a European restaurant ("Gratuitous gratuities", August 26th).
He used the words "nigger" and "darky" in conversation, and he thought that blacks, whom he regarded as physically different from whites, should be deported to Liberia, Central America or somewhere else, since they couldn't live on equal terms with whites in America.
