regex help

[Metal Zong]

>>> import re
>>>
>>> if __name__ == "__main__":
...     lst = [281, 713, 832, 1281, 1713, 1832, 2281, 2713, 2832]
...     for item in lst:
...         if re.match("^1?(?=281)|^1?(?=713)|^1?(?=832)", str(item)):
...             print "%d invalid" % item
...         else:
...             print "%d valid" % item
...
281 invalid
713 invalid
832 invalid
1281 invalid
1713 invalid
1832 invalid
2281 valid
2713 valid
2832 valid
>>>


  _____  

From: python-list-bounces+metalzong=163.com at python.org
[mailto:python-list-bounces+metalzong=163.com at python.org] On Behalf Of
Support Desk
Sent: Monday, June 30, 2008 10:54 PM
To: python-list at python.org
Subject: regex help



Hello, 
   I am working on a web-app, that querys long distance numbers from a
database of call logs. I am trying to put together a regex that matches any
number that does not start with the following. Basically any number that
does'nt start with:

 

281

713

832 

 

or

 

1281

1713

1832 

 

 

is long distance any, help would be appreciated. 

 

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