[R] replacing "+" in string

[peter dalgaard]

On Jan 21, 2012, at 23:04 , Sarah Goslee wrote:

> + is a metacharacter, and must be escaped:
> 
>> X <- "one + two"
>> gsub("\\+", "plus", X)
> [1] "one plus two"
> 
> The help for gsub() tells you to read ?regexp - that's where
> the details of regular expressions as implemented in R are
> explained.
> 

...and it also tells you about the 'fixed' argument:

> X <- "one + two"
> gsub("+", "plus", X, fixed=TRUE)
[1] "one plus two"

-pd
-- 
Peter Dalgaard, Professor,
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