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List:       kde-core-devel
Subject:    Re: qt 3
From:       Marc Mutz <Marc.Mutz () uni-bielefeld ! de>
Date:       2001-08-23 18:08:46
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On Thursday 23 August 2001 16:51, Simon Hausmann wrote:
<snip>
> QRegExp is fully source compatible if you don't define QT_NO_CPMPAT.
<snip>

That's only half true. The class interface is compatible then, but the 
regexp engine isn't. E.g.

pos = str.find("([0-9]+)"); // find occurences of numbers in parantheses

will work perfectly in Qt2, but fail horribly in Qt3: It will find each 
occurence of a sequence of digits, not only inside parantheses. This 
isn't much of an concern when the regexp is used explicitely, but 
QString::find takes a QRegExp as first parameter, and don't tell me 
everyone has this in mind when implementing something with it.

Marc

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