Description Usage Arguments Value Examples
Extract the k-th alphabetic character (if available) from the characters of a string.
1 | kth_alpha(string, k = 1L)
|
string |
An object that inherits from class |
k |
Integer specifying which alphabetic character to extract. |
Returns the k-th alphabetic character (A-Z or a-z) or NA
if
at least k
alphabetic characters are not found.
1 2 |
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