[R] Wild card characters

[Uwe Ligges]

Dhiren DSouza wrote:

> I have a string '982323.1' and would like to replace everything after the 
> '.' with a '41'.  So the string should look like '982323.41'.  The code I 
> use to do this is
> 
> sub('\.$','41',982323.1)

You have to escape "\", see ?regexp:

sub('\\.[[:digit:]]*$','\\.41', "982323.1")

Uwe Ligges



> This works fine as long as there is only 1 digit after the decimal.  If I 
> have '982323.10', then the result of the code is '982323.141' instead of 
> '982323.41'
> 
> How do I fix the code to replace all characters after the decimal by 41?
> 
> Thank you
> 
> -D
> 
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