Returns n characters from the left side of the supplied string x.
rvn_substrLeft(x, n)a string to manipulate
number of characters to remove from the left side of the string
rvn_substrRight for using n characters from right side of string
rvn_substrMRight for removing n characters from the right side of a string
rvn_substrLeft("hello world",3)
#> [1] "hel"
# returns "hel"