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From "James Sangster" <>
Subject RE: CSV parsing/writing?
Date Wed, 25 May 2005 23:05:18 GMT
I was looking to doing CSV parsing using regular expressions, but I came
across one post in a newsgroup where it was stated that regular expressions
themselves couldn't handle it alone.   Because the environment I was working
with had restricted regular expression capabilities and no third party
package integration capabilities, I instead just went for the brute force
method of parsing character for character on each line and using a state

It seems to work very well, but the performance could be a little better.


-----Original Message-----
From: Frank W. Zammetti [] 
Sent: Wednesday, May 25, 2005 7:01 PM
To: Don Seiler
Cc: Jakarta Commons Users List
Subject: Re: CSV parsing/writing?

Fair enough.  I have parsed CSVs a number of times, I guess I've been 
lucky in that one of the design criteria was no occurances of the 
delimiter within data elements.  Certainly if there is a chance of that, 
then sure, you need something more advanced.


Don Seiler wrote:
> On 17:46 Wed 25 May     , Frank W. Zammetti wrote:
>>I might be missing something, but doesn't StringTokenizer do the trick
>>for you?
> Anyone with experience parsing CSVs knows there are the cases of 
> delimiters within quotes that make the parsing a bigger headache than 
> just using StringTokenizer (or String.split()).  Why else would there 
> be so many other third-party APIs for it?
>>Don Seiler wrote:
>>>Afternoon.  Just writing to ask if anyone knows of any 
>>>commons/jakarta packages that may do CSV parsing and writing.  I'm 
>>>aware of the jcsv package but thought I would try and utilize commons 
>>>as much as possible. I looked at jakarta-oro as well but don't seem 
>>>to see anything CSV related.
>>>Thanks in advance.

Frank W. Zammetti
Founder and Chief Software Architect
Omnytex Technologies

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