Hi Daren.
you could try something like:
strings[setdiff(1:length(strings), grep("ba", strings))]
?grep as well as ?regexpr will help as well!
Bernhard
2008/6/19 Daren Tan <[EMAIL PROTECTED]>:
>
>
> For example,
>
> strings <- c("aaaa", "bbbb","ccba").
>
> How to get "aaaa", "bbbb" that do not contain "ba" ?
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