Matching Pure Numeric and '' with Python re

Wijaya Edward ewijaya at i2r.a-star.edu.sg
Fri Oct 27 09:28:59 CEST 2006


Hi,
 
Given this list:
 
list = ['0123', '1A34' , '333-' , '' ]
 
I want to match only this element 
'0123' (pure numeric) and '' (empty element).
 
Why this construct doesn't work?
 
         p = re.compile("''+|[0-9]+")
           m = p.match(word)
           if m:
             print word,
 
Namely it doesn't print 0123 and ''.
What's wrong with my regex?
 
-- Edward WIJAYA
SINGAPORE

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