strs_rfind {strs} | R Documentation |
Find the last occurrence of a substring in a string
Description
strs_rfind
locates the last occurrence of a specified substring within each
element of a character vector. It is similar to Python's str.rfind()
method.
Usage
strs_rfind(string, substring)
Arguments
string |
A character vector where each element is a string to search. |
substring |
The substring to find within each element of |
Value
An integer vector of the same length as string
, with each element
representing the starting position of the last occurrence of substring
in
the corresponding element of string
. If the substring is not found, the
function returns NA for that element.
See Also
Python str.rfind() documentation
Examples
strs_rfind("hello world", "o")
strs_rfind("hello world", "x") # not found
[Package strs version 0.1.0 Index]