How to usesub() method in R Language
The sub() method in R is used to replace the specified part of the string with a new string. The usage of the sub() method is compatible with the regular expressions as well,. It has the following syntax :
Syntax: sub(search, replacement, str)
Arguments :
- search – The search term to look into the string
- replacement – The new string to replace the search term with
- str – The string to carry out the replacement in
R
# creating a dummy string str <- "Hi Neena, Reena, Teena"print("Input String") print(str) # replace the last comma with & out_str <- sub(",([^,]*)$", " &\\1", str) print("Output String") print(out_str) |
Output
[1] "Input String" [1] "Hi Neena, Reena, Teena" [1] "Output String" [1] "Hi Neena, Reena & Teena"
Replace Last Comma in Character with &-Sign in R
A string in R is a sequence of characters which contains numbers, characters, and special symbols. The characters can be modified, inserted as well as deleted in the strings. R provides a large variety of functions and external packages to carry out the string amendments. In this article, we are going to see that how to Replace Last Comma in Character with &-Sign in R Programming Language.