Troubleshooting: re.finditer() creates object even when no match found

Nick Coghlan ncoghlan at
Sat Dec 18 08:28:12 CET 2004

Nick Coghlan wrote:
> Chris Lasher wrote:
>> Hello,
>> I really like the finditer() method of the re module. I'm having
>> difficulty at the moment, however, because finditer() still creates a
>> callable-iterator oject, even when no match is found. This is
>> undesirable in cases where I would like to circumvent execution of code
>> meant to parse out data from my finditer() object.
> Take a look at itertools.tee

Bleh - I hit send instead of delete. Tee probably doesn't do what you want. 
Steve's cookbook recipe is likely a better option.


Nick Coghlan   |   ncoghlan at   |   Brisbane, Australia

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