Help with Regular Expression

[plug-discuss@lists.plug.phoenix.az.us]

Thanks David!!

I was trying to do it all in one shot and was getting some "amusing" results.
Your method is much more straightforward and easier to understand.
Peter

On 3 Dec 2002 at 11:21, David A. Sinck wrote:

> 
> 
> \_ SMTP quoth az_pete@cactusfamily.com on 12/3/2002 11:04 as having spake thusly:
> \_
> \_ Hi All, 
> \_ 
> \_ I seem to be having a lot of trouble with what seems should be a
> \_ simple regex.
> \_ 
> \_ I have a database full of research paper abstracts and I would like
> \_ to strip all newlines from them. This would include \n, \r, and
> \_ \r\n characters.  However, if there are two consecutive newlines
> \_ (i.e. new paragraph) I would like to keep those in tact.
> \_ 
> \_ I have written the script in PHP to pull each field from the
> \_ database, perform said regex and then update the field with the new
> \_ data.  All I need is a regex that works.  I'm using the Perl
> \_ compatible regex within PHP.
> \_ 
> \_ Any help would be appreciated.
> 
> I'd do two passes for ease of thought:
> 
> s/\r//g;  # lose all \r's, regardless
> 
> s/[^\n][\n][^\n]/ /g;  # non-newline newline non-newline goes to space
> 
> YMMV.
> 
> Trying to do both in one could prove more amusing and is left as an
> exercise for the reader.
> 
> Backups are your friend.
> 
> David
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