RE: [Boost-Users] Regex: matching either of 2 fields, in any order

From: john.wismar_at_[hidden]
Date: 2003-05-30 10:59:16

That's it exactly.  And your explanation was a lot more succinct than
mine, too!  Thanks.

------------------------------
John Wismar 
BSA - AllData Offline Products
john.wismar_at_[hidden]

> -----Original Message-----
> From: Jim.Hyslop [mailto:jim.hyslop_at_[hidden]] 
> Sent: Friday, May 30, 2003 6:10 AM
> To: 'Boost-Users_at_[hidden]'
> Subject: RE: [Boost-Users] Regex: matching either of 2 
> fields, in any orde r
> 
> 
> John Maddock wrote:
> [unknown] wrote (please try to attribute quotes)
> > > I can see how I could do this in a loop to replace the different
> > > subfields.  Is there another step I would need to take to 
> > > guarantee that
> > > there is at most one of each type of subfield?
> > 
> > Well if you search for  "C(\\d+)|O(\\w+)" it can only match 
> > one or the other
> > can't it? Or am I missing something?
> I could be wrong, but I interpreted the OP's question to mean: is it
> possible to have the regex generate an error if more than one 
> sub-field of a
> specific type is found, i.e. the following would be invalid:
> 
> ~C123~C345
> 
> The original poster can correct me if I've misinterpreted anything.
> 
> -- 
> Jim
> 
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