Well I have tried that and it's unfortuanally not the solution.
This return all the characters in the string, but I dont want the characters
after the ending non-character symbol. Only the starting characters ore of
interest.
> gsub("\\W*","", myexstrings,perl=T)
[1] "AAAAA" "BBBBB" "CCC" "ddd"
Regards Tom
Hans-Jörg Bibiko wrote:
>
>
> On 27 Jun 2008, at 12:23, Tom.O wrote:
>
>>
>> Hi R gurus
>> I have a matching problem that I cant solve. I have tried multiple
>> solutions
>> and searched varius help-sites but I cant get it to work.
>>
>> This is the problem
>> myexstrings = c("*AAA.AA","BBB BB","*.CCC.","**dd- d")
>>
>> what I want do do is to remove any non-characters in the beginning and
>> everything else after the non-character symbol after the first set of
>> characters so that the string becomes:
>>
>> c("AAA","BBB","CCC","dd")
>>
>>
>> I can figure out the start, sub("^\\W*","", myexstrings,perl=T) will
>> remove
>> the unwanted beginnings but then its the rest.
>
> Try
>
> gsub("\\W*","", myexstrings,perl=T)
>
> Cheers,
>
> --Hans
>
> ______________________________________________
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