Bug#269493: debian version converter

[Bluefuture <bluefuture@email.it>]

Hi,
actually this is the function that try to convert debian version in a
"compatible" format before debian vs upstream test. If u had any good
idea to improve it try to post something over debian qa mailing list:

Cheers,
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function vers_conv($debvers) {
	preg_match("/(.+:)?([^-]+)(ds|dsfg|debian)/",$debvers,$matches);
	if (!$matches[3]) {
		unset($matches);
		preg_match("/(.+:)?([^-]+)/",$debvers,$matches);
	}
	if (substr($matches[2],-1)=='.') $matches[2]=substr($matches[2],0,-1);
	return $matches[2];
}