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http://bugs.exim.org/show_bug.cgi?id=1203
--- Comment #6 from Philip Hazel <ph10@???> 2012-01-28 10:16:52 ---
On Fri, 27 Jan 2012, Steve Andrews wrote:
> Here, I think that an ampersand is both the sensible operator for this use,
> and is well-defined. It's sensible because the interpretation of abc&def
> is that both abc AND def must be in the string, but either order is allowed.
If that is all you want, then lookaheads can help:
/^(?=.*?abc)(?=.*?def)/
And capturing works inside positive lookaheads, so you could capture
substrings if you wanted.
Philip
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