Re: [R] Replacing Period in String

From: Peter Langfelder <peter.langfelder_at_gmail.com>
Date: Sun, 20 Mar 2011 22:18:57 -0700

I think it is as simple as adding the argument fixed=TRUE to the function call. txt = "this. is. a. test."
gsub(".", "", txt, fixed = TRUE)

result

[1] "this is a test"

HTH, Peter

On Sun, Mar 20, 2011 at 9:49 PM, Sparks, John James <jspark4_at_uic.edu> wrote:
> Dear R Users,
>
> I am working with gsub for the first time.  I am trying to remove some
> characters from a string.  I have hit the problem where the period is the
> shorthand for 'everything' in the R language when what I want to remove is
> the actual periods.  In the example below, I simply want to remove the
> periods as I have removed the comma, but instead the complete string is
> wiped out.  I would appreciate it if someone could let me know how I
> communicate that I want to remove the period verbatim to R.
>
> Many thanks.
> --John Sparks
>
>> txt="This is a test. However, it is only a test."
>> txt2<-gsub(",","",txt)
>> txt2
> [1] "This is a test. However it is only a test."
>> txt3<-gsub(".","",txt)
>> txt3
> [1] ""
>>
>
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