Re: What does \\0 means?

From: "John Nichel" <john@kegworks.com> >>On Thursday 05 August 2004 07:39, Jay offered up the following tid-bit of >>information : >> 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 > > 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. ;) oo.ooo... can I do it?? ;) \\0 is actually the entire string that was matches. \\1 would be the first parenthesized substring, \\2 the second, etc. Don't worry, I had to look in the manual to be sure, too. :) ---John Holmes...