Hi!

Found the following code in the PHP manual:
$text = "http://www.somelink.com";;
echo(ereg_replace("[[:alpha:]]+://[^<>[:space:]]+[[:alnum:]/]",
                    "<a href=\"\\0\">\\0</a>", $text));

What does \\0 means, i have seen this before with \\1 and \\2

what does they mean?

Thanx In Advance
Jay

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