Hi,
This is maybe not a really nice solution but it gives you what you want
which(regexpr("a", c("cc","xxa"))!=-1)
2
which(regexpr("xx", c("cc","xxa","xxb"))!=-1)
2 3
HTH
Thomas
-----Urspr�ngliche Nachricht-----
Von: Vito Muggeo [mailto:[EMAIL PROTECTED]
Gesendet: Donnerstag, 2. Oktober 2003 11:04
An: [EMAIL PROTECTED]
Betreff: [R] pmatch questions
Dear all,
Below there are two, simple - I suppose, questions on using pmatch():
> pmatch("xx", c("cc","xxa"))
[1] 2
> pmatch("a", c("cc","xxa"))
[1] NA
> pmatch("xx", c("cc","xxa","xxb"))
[1] NA
I would like that the second call returns also 2, and the third call returns
c(2,3)
is it possible?
many thanks
vito
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