Someone at experts-exchange told me the solution.
See this example:
([^ ]*) (?!world)([^.]*)
this will match "hello will", but not "hello
world".
I didn't find much documentation about it, but you can
experiment with
these patterns:
(?=X) X, via zero-width positive lookahead
(?!X) X, via zero-width negative lookahead
(?<=X) X, via zero-width positive lookbehind
(?<!X) X, via zero-width negative lookbehind
http://java.sun.com/j2se/1.5.0/docs/api/java
/util/regex/Pattern.html
DAvid
On Aug 30, 3:44 pm, Jake <jake.du... gmail.com> wrote:
> I want a regex to return a match for a pattern
specifying "does not
> contain this phrase".
>
> For example, if I have the phrase "good little
dawg", and the target
> string "Hey dude", the regex has to return
something (with the
> find() ), but not with "I have a good little dawg
in my house".
> I have tried something akin to [^(good little dawg)],
but it doesn't
> work all the time.
>
> In other words, I need a match if the phrase is *not*
in the target
> string.
> Any idea?
> Thanks!
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