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"Regarding" is a form of "regarding", a preposition which is often translated as "con respecto a". "Indeed" is an adverb which is often translated as "ciertamente". Learn more about the difference between "regarding" and "indeed" below.
regarding(
rih
-
gar
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dihng
)A preposition is a word that indicates the relationship between a noun and another word (e.g., He ran through the door.).
1. (concerning)
a. con respecto a 
They'll make a statement regarding this matter.Van a hacer una declaración con respecto a este asunto.
b. en relación con 
We have already heard the news regarding the elections.Ya escuchamos las noticias en relación con las elecciones.
c. en cuanto a 
I noticed his lack of interest regarding the subject of money.Noté su falta de interés en cuanto al tema de dinero.
d. por lo que respecta a 
Regarding the administrative side of things, they will take care of that.Por lo que respecta a la parte administrativa, se encargarán ellos.
e. de cara a 
What measures will the Treasury implement regarding tax fraud?¿Qué medidas adoptará Hacienda de cara al fraude fiscal?
indeed(
ihn
-
did
)An adverb is a word that describes a verb, an adjective, or other adverbs (e.g., to run quickly, very tired).
1. (truly)
a. ciertamente 
The formal ball was indeed a very classy event.El baile de gala ciertamente fue un evento muy elegante.