[R] How to replace '$' sign?

[Marc Schwartz]

On Mar 28, 2013, at 10:39 AM, Christofer Bogaso <bogaso.christofer at gmail.com> wrote:

> Hello again,
> 
> I want to remove "$" sign and replace with nothing in my text.
> Therefore I used following code:
> 
>> gsub("$|,", "", "$232,685.35436")
> [1] "$232685.35436"
> 
> 
> However I could not remove '$' sign.
> 
> Can somebody help me why is it so?
> 
> Thanks and regards


The dollar sign is a metacharacter in regular expressions (see ?regex), thus has to be escaped to be interpreted as a literal character:

> gsub("\\$|,", "", "$232,685.35436")
[1] "232685.35436"


Regards,

Marc Schwartz