[Typo3-dev] Getting rid of preg_* function

[Michael Stucki]

Hi all,

we just solved a problem on typo3-linux for a guy whose TYPO3 installation
crashed. After checking the logs he found out that his installation missed
the PHP function preg_replace.

Obviously he is the first one who has this problem, but the point is that
upstream PHP < 4.2.0 did not have the PCRE functions enabled by default.

I had a look at the source: Currently there are only 30 usages of such
functions, so it would be easy to change this.

My questions:
- Are the PCRE functions faster than the Posix ereg_* functions?
- Should we change it?
- Should we update the coding guidelines and make it a rule to not use them?

Regards, michael
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