[R] regex pattern assistance

Jeff Newmiller jdnewmil at dcn.davis.CA.us
Fri Aug 15 19:13:07 CEST 2014

Must be another lucky streak. :-)
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Sent from my phone. Please excuse my brevity.

On August 15, 2014 9:56:21 AM PDT, Tom Wright <tom at maladmin.com> wrote:
>What can I say 4 answers in less than 4 minutes. Thank you everyone. If
>I can't make it work now I don't deserve to. 
>btw. the strsplit approach wouldn't work for me as:
>a) I wanted to play with regex and 
>b) the location isn't consistent.
>Nice to see email support still works, not everything has moved to
>linkedin and stackoverflow.
>Thanks again,
>On Fri, 2014-08-15 at 12:18 -0400, Tom Wright wrote:
>> Hi,
>> Can anyone please assist.
>> given the string 
>> > x<-"/mnt/AO/AO Data/S01-012/120824/"
>> I would like to extract "S01-012"
>> require(stringr)
>> > str_match(x,"\\/mnt\\/AO\\/AO Data\\/(.+)\\/+")
>> > str_match(x,"\\/mnt\\/AO\\/AO Data\\/(\\w+)\\/+")
>> both nearly work. I expected I would use something like:
>> > str_match(x,"\\/mnt\\/AO\\/AO Data\\/([\\w -]+)\\/+")
>> but I don't seem able to get the square bracket grouping to work
>> correctly. Can someone please show me where I am going wrong?
>> Thanks,
>> Tom
>R-help at r-project.org mailing list
>PLEASE do read the posting guide
>and provide commented, minimal, self-contained, reproducible code.

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