re.compile and very specific searches

[Denis S. Otkidach]

On Fri, 18 Feb 2005 13:14:28 -0500
rbt <rbt at athop1.ath.vt.edu> wrote:

> Is it possible to use re.compile to exclude certain numbers? For 
> example, this will find IP addresses:
> 
> ip = re.compile('\d{1,3}.\d{1,3}.\d{1,3}.\d{1,3}')
> 
> But it will also find 999.999.999.999 (something which could not 
> possibly be an IPv4 address). Can re.compile be configured to filter 
> results like this out?

Try this one: 
re.compile(r'\b%s\b' % r'\.'.join(['(?:(?:2[0-4]|1\d|[1-9])?\d|25[0-5])']*4))

-- 
Denis S. Otkidach
http://www.python.ru/      [ru]