Re: [PHP] Help with preg_replace

[John Nichel]

John Clegg wrote:

Hi

I am having some problems with preg_replace and I wondering if someone 
could suggest a fix or explain why it is not working.



Here is the Code:
*********************
<?php
$code = "blah http://www.foo.com/Unsubscribe.php?EmailAddress=[MAIL] blah";
$url = "'http://www.foo.com/maxbid/Unsubscribe.php?EmailAddress=[MAIL]'";
echo "BEFORE : $code<br><br>";
$replace  = "Foo";
$code = preg_replace($url,$replace,$code,1);
echo "AFTER: $code<br>";
?>
**********************
Here is the results of the script:

**********************
BEFORE : blah 
http://www.qxlmaxbid.com/maxbid/Unsubscribe.php?EmailAddress=[MAIL] blah

AFTER: blah 
http://www.qxlmaxbid.com/maxbid/Unsubscribe.php?EmailAddress=[MAIL] blah

**********************

It should give the following result:

**********************

AFTER: blah Foo blah

**********************
$url = 
"/http:\/\/www.foo.com\/maxbid\/Unsubscribe.php?EmailAddress=\[MAIL\]/";

Will replace http://www.foo.com/Unsubscribe.php?EmailAddress=[MAIL] 
only.  If you're looking to replace any URL, you need a regular 
expression.  The first argument to preg_replace is the pattern you're 
looking for, so you need to enclose it in slashes ( /pattern/ ), and 
escape out any special characters.

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