[TxMt] TM freezes completely on search&replace in 6K-lines XML-File!

John Johnson johnatl at mac.com
Fri Jan 20 00:07:08 UTC 2006

Nevertheless, the workarounds to eliminate backtracking that I gave 
sped up the search and replace dramatically.


On 19-Jan-2006, at 18:23, Sune Foldager wrote:

> On 18/01/2006, at 16:47, John Johnson wrote:
>> Sounds like a classic case of the regexp engine doing backtracking.
> Yes, but then again his simple regex, replacing \n, doesn't have any + 
> or *, so it shouldn't be a problem.
>> The regexp engine searches forward until it matches the regexp. Then 
>> it begins searching backward from the end of the file, until the 
>> regexp matches as much as possible.
> I'm pretty sure it doesn't do this, but searches forward until it 
> found the largest match. But regardles of that, in this case there is 
> only one character to match.
> -- Sune.
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