Re: What does \\0 means?

From: Date: Thu, 05 Aug 2004 12:56:27 +0000
Subject: Re: What does \\0 means?
References: 1  Groups: php.general 
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On Thursday 05 August 2004 07:39, Jay offered up the following tid-bit of information : > 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 Well, I'm not much of a ereg guy...more preg, but if I had to take a guess, the \\0 in ereg is like $1 in perl regular expressions. ie it's replacing the \\0 with the first match found in the expression. Run the script...I'm betting it will out put... <a href="http://www.somelink.com">http://www.somelink.com</a> Course, if I'm wrong, someone on the list will be quick to lay the smack down on me, and you'll get the correct answer. ;) -- John C. Nichel ÜberGeek KegWorks.com 716.856.9675 john@kegworks.com

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