I would like to extract first date from a string:
> txt <- "first date is 05.12.2009. Second date is 06.12.2009."
> txt
[1] "first date is 05.12.2009. Second date is 06.12.2009."
I tried:
> sub("^.*?\\s(\\d{1,2}\\.\\d{1,2}\\.\\d{4})", "\\1", txt, extended=T, perl=T)
[1] "05.12.2009. Second date is 06.12.2009."
>
How to modify this?
-J
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