[R] Working with regular expression

[Rui Barradas]

Hello,

This one seems to work.

gsub("[[:alpha:]_]*(.*)", "\\1", Text)


Hope this helps,

Rui Barradas

Em 18-01-2013 20:11, Christofer Bogaso escreveu:
> Hello again,
>
> I was trying to extract the date element from a character vector using
> Regular expression. Below is a sample what I was trying to do:
>
>> Text <- c("asdf May 09 2009", "dsaf_01-01-2001")
>> gsub("[a-zA-Z_]", "", Text)
> [1] "  09 2009"  "01-01-2001"
>
>
> I basically have a long text and the task is to extract the date
> element. My above strategy failed because I can not extract the month
> for the first element.
>
> Can somebody help me out?
>
> Thanks and regards,
>
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