Replace a character in a text

Question

How do I replace the + with %2B:

Here is my code

x<-\"asflj + ldjjsf ljsdlafj\"
gsub(\"+\",\"%2B\",  x)

my output is:

Answer 1

+ is a metacharacter then you can set fixed=TRUE to skip it and get what you need.

> gsub("+","%2B",  x, fixed=TRUE)
[1] "asflj %2B ldjjsf ljsdlafj"

Or skip it by using \\+

> gsub("\\+","%2B",  x)
[1] "asflj %2B ldjjsf ljsdlafj"