[R] regular expression

[Bernd Weiss]

Am 31.03.2011 19:31, schrieb array chip:
> Hi, I am stuck on this: how to specify a match pattern that means not
> to include "abc"?
>
> I tried:
>
> grep("^(abc)", "hello", value=T) should return "hello".

 > grep("[^(abc)]", "hello", value=T)
[1] "hello"


HTH,

Bernd