r programming replace a string with another string

Question

supplose if I have a string such as

Input:

myString <- "myFunc(apple,mango,orange,banana)"

I want to make a regex such that I produce the following

Output:

myString <- "myFunc(input$apple,input$mango,input$orange,input$banana)"

How do I achieve this?

Maybe this will work instead: myString <- paste0("with(input, ", "myFunc(input1,input2,input3,input4)") If not what are the rule to govern insertion? Always after a ( or ,? — Tyler Rinker
– Tyler Rinker, Commented Jun 15, 2016 at 1:42
how did you arrive at this problem, what are you really trying to do — rawr
– rawr, Commented Jun 15, 2016 at 2:59

Tyler Rinker · Accepted Answer · 2016-06-15 02:37:51Z

2

myString <- "myFunc(apple,mango,orange,banana)"

gsub("(\\(|,)", "\\1input$", myString)

## "myFunc(input$apple,input$mango,input$orange,input$banana)"

edited Jun 15, 2016 at 2:37

answered Jun 15, 2016 at 2:12

Tyler Rinker

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