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From "Ash .." <>
Subject RE: [lang] StringUtils.split() functionality wrt separator repeats
Date Mon, 08 Dec 2003 14:49:19 GMT
Hi Matthew,

I had come across the Tokenizer class in the lang package, and I agree that 
it offers much more control and flexibility. Here however, from a 
developer's perspective, I had meant to discuss the functionality of the 
StringUtils.split() method, regardless of such functionality available 


>-----Original Message-----
>From: Inger, Matthew []
>try the new "Tokenizer" class.  You can get it from CVS.

-----Original Message-----
From: Ash .. []
Subject: [lang] StringUtils.split() functionality wrt separator repeats

The StringUtils.split(), suggest as an alternative to StringTokenizer,
ignores adjacent separators.
However, I feel that it would be better if they were not ignored, and empty
strings be returned when such a case occurs. Or, there be an overloaded
option which lets the user specify whether to ignore separator repeats or

As I see it, it is more often that a separator repeat occurs due to the
absence of data in a specified series of, say, cells. Taking the typical
case of a CSV file line read, finding two commas would mean a cell is empty,

not that the resultant array should have one element less. It must rather
have the expected number of elements with the repeat case entailing an empty




Run, rabbit run.
Dig that hole, forget the sun,
And when at last the work is done
Don't sit down it's time to dig another one.

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