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Re: Most efficient character parsing.
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Re: Most efficient character parsing.


  • Subject: Re: Most efficient character parsing.
  • From: Wolfram Stebel <email@hidden>
  • Date: Thu, 16 Feb 2006 00:17:09 +0100
  • Thread-topic: Most efficient character parsing.

Am 15.02.2006 22:43 Uhr schrieb "Eric Stewart" unter
<email@hidden>:

> I've got a WOApp that needs to deal with 200 strings of approximately
> 250-500 characters per string.
>
> I need to strip out all characters that are not ISO-8859-1 legal
> characters. So basically any character that is not decimal ascii
> character 9, 10, 13, 32-126, 160-255 need to be removed from the
> string. This process is happening roughly 2.5 million times a day and
> I'm trying to figure out what is the most efficient way to do it.
>
> Right now I'm tearing the strings apart character-by-character and
> checking it's ascii decimal value against the values I know are good.
> Is there a more efficient way to do it?
There should be a regular expression for this to use it in
String.replaceAll.

Precompile it and reuse it for all of them lucky 2.5 millions of strings :-)

I can't write such an expression right from my head... sorry.

Regular Regards

Wolfram


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References: 
 >Most efficient character parsing. (From: Eric Stewart <email@hidden>)

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