f*cking re module

Matthias Huening mhuening at zedat.fu-berlin.de
Mon Jul 4 05:06:57 EDT 2005

jwaixs (04.07.2005 10:04):
> arg... I've lost 1.5 hours of my precious time to try letting re work
> correcty. There's really not a single good re tutorial or documentation
> I could found! 

Did you try this one?

>>>>import re
>>>>str = "blabla<python>Re modules sucks!</python>blabla"
>>>>re.search("(<python>)(/python>)", str).group()
> Traceback (most recent call last):
>   File "<stdin>", line 1, in ?
> AttributeError: 'NoneType' object has no attribute 'group'

RE doesn't find "(<python>)(/python>)" because it isn't in your string. 
That's why group fails.

 >>> import re
 >>> s = "blabla<python>Re module is great!</python>blabla"
 >>> re.search("(<python>).*(/python>)", s).group()
'<python>Re module is great!</python>'


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