How to convert characters into ASCII code?

Question

I need to translate a string of characters, for example \"Hello\", into a string of numbers which is the ASCII numeric codes.

Example: 0 -> 48

Answer 1

I guess you mean utf8ToInt, see the R manuals:

utf8ToInt("Hello")
# [1]  72 101 108 108 111

Or, if you want a mapping of the letters to their codes:

sapply(strsplit("Hello", NULL)[[1L]], utf8ToInt)
#  H   e   l   l   o 
# 72 101 108 108 111