Incorrect error messages about stringr HOT 3 CLOSED

R> stringr::regex
function (pattern, ignore_case = FALSE, multiline = FALSE, comments = FALSE, 
    dotall = FALSE, ...) 
{
    options <- stri_opts_regex(case_insensitive = ignore_case, 
        multiline = multiline, comments = comments, dotall = dotall, 
        ...)
    structure(pattern, options = options, class = c("regex", 
        "pattern", "character"))
}
<environment: namespace:stringr>
R> stringr::regexp
Error: 'regexp' is not an exported object from 'namespace:stringr'
R>