我试图删除字符串中的括号,如下所示.
library(stringr)
x <- "(Verhoeff,1937)"
str_replace(string = x, pattern = "(\\()|(\\))", replacement = "")
[1] "Verhoeff,1937)"
gsub(pattern = "(\\()|(\\))", replacement = "", x = x)
[1] "Verhoeff,1937"
str_replace似乎没有找到结束括号？有什么想法吗？