How to solve the issue of R language strings not escaping characters?

In R language, you can create strings using either double quotes or single quotes. If you need to include quotes within the string, you can use the escape character “\” to escape the quote. For example:

str1 <- "This is a \"quoted\" string."
cat(str1)
# 输出：This is a "quoted" string.

str2 <- 'This is a \'quoted\' string.'
cat(str2)
# 输出：This is a 'quoted' string.

In addition, R language also provides some functions for handling strings, such as the gsub() function which can be used to replace specific characters in a string. For example, to replace double quotes with single quotes in a string, you can use the following code:

str <- 'This is a "quoted" string.'
new_str <- gsub("\"", "'", str)
cat(new_str)
# 输出：This is a 'quoted' string.

If you have specific needs for string processing, please provide more information so that I can offer a more precise solution.