<snip>
Next, I want to remove excessive CR/LF, [i.e. more than 2]
$text= preg_replace("/\n\n+/", "\n\n", $text);
// remove excess This doesn't seem to do anything.
</snip>
not 100% sure this is right but give it a try
$text = preg_replace("/\n\n+|\n\r[\n\r]+|\r\r+/", "\n\n", $text);
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