How about this?
unletter <- function(word) {
gsub('-64',' ',paste(sprintf("%02d",utf8ToInt(tolower(word)) -
96),collapse=''))
}
unletter("abc")
[1] "010203"
unletter("Aw")
[1] "0123"
unletter("I walk to school")
[1] "09 23011211 2015 190308151512"
--Hans
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