Find Positions of Dots in Character String in R (3 Examples) | Locate Position | gregexpr & unlist

How to locate all dots (i.e. points) in a character string in the R programming language. More details: https://statisticsglobe.com/find-posi...
R code of this video:

my_string ＜- "aaa.b.cccc.d.e" # Create example character string
my_string # Print example character string

all_dots ＜- unlist(gregexpr("\\.", my_string)) # Get all dot locations
all_dots # Return all dot locations

first_dot ＜- all_dots[1] # Extract first dot position
first_dot # Print first dot position

last_dot ＜- all_dots[length(all_dots)] # Extract last dot position
last_dot # Print last dot position

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