Here's my code:
> x <- c("ABCDE CDEFG FGHIJ")
 "ABCDE CDEFG FGHIJ"
> regexpr("D", x)
The problem is regexpr only gives back the first occurrence of D, how do I get it to return all occurrences of D?
The below code will help:
#  4 8
#  1 1
#  TRUE
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