Re: Regex Match() Abortion

From: eydelber eydelber_at_[hidden])
Date: 2002-12-07 10:22:05

--- In Boost-Users_at_[hidden], "John Maddock" 
<john_maddock_at_c...> wrote:
> > Thank you very much, that is most likely the problem then.  I'll 
try
> > that and if I'm still having problems I'll post back here.
> >
> > The point you make is interesting however, because if you look at
> > the first Regex:
> >
> > create table (_ID_) (\\(((\\s*,?\\s*_COL_\\s*)+)\\))
> >
> > It is essentially the same, but I have had no problems at all 
with
> > it.  Is it then safe to assume that the problem does not lie
> > specifically with \s*,\s*, but somewhere deeper. Here is the 
actual
> > regex that finally gets used (after the call to replaceMacros):
> >
> > ^(\s*insert(\s+into)?\s+([\w\-]+)(\s+\(((\s*(?:,?\s*)?([\w\-]+)
\s*)+)
> > \))?\s+values\s+\(((\s*,?\s*((\d+(\.\d+)?)|("[^"]*"))\s*)+)\)
\s*;?)$
> >
> > I'm guessing it is something with:
> >
> > (\s+\(((\s*(?:,\s*)?([\w\-]+)\s*)+)\))?
> >
> > This one has a few more groupings than all the other regexs, but 
I
> > can't seem to figure out the problem.
> >
> > BTW, during the course of writing this reply, I tested the
> > expression with \s*(,\s*)? (as you can see above), and it still
> > throws an exception.
> 
> I didn't really think that was the issue: it was an example of the 
kind of
> thing that can trip you up, basically I'm trying not to get too 
deep into
> your expression, but I think the comma separated list part is 
probably
> messing you up, try something along the lines of:
> 
> \(\s*([^\s][^,]*?\s*,\s*)+\)
> 
> John Maddock
> http://ourworld.compuserve.com/homepages/john_maddock/index.htm

I got it to work finally, thank you very much for all the help!

Kevin