<?php
$string = "The new Intel Core 2 Duo T8300";
$name = "Intel Core 2";
$extra = " Duo";
$insert = " Processor Technology";
echo preg_replace("/({$name}{$extra}?)/", "$1".$insert, $string);
?>
Simcha Younger
-----Original Message-----
From: Adz07 [mailto:adam@xxxxxxxxxxxxxxx]
Sent: Monday, August 18, 2008 10:17 AM
To: php-general@xxxxxxxxxxxxx
Subject: Re: preg_replace strange behaviour, duplicates
Problem is that a negative assertion assumes i know what is going to come
after the match, but i don't. I am a bit stuck now :(
Adz07 wrote:
>
> I am trying to nail down a bit of code for changing processor names
> depending on matches.
> Problem i am having is the replacement takes place then it seems to do it
> again replacing the text just replaced as there are similar matches
> afterwards. example (easier)
>
> $string = "The new Intel Core 2 Duo T8300";
>
> $patterns = array("/Intel Core 2 Duo/","/Intel Core 2/");
>
> $replacements = array("Intel Core 2 Duo Processor Technology","Intel Core
> 2 Processor Technology");
>
> I would expect to get the following:
>
> The new Intel Core 2 Duo Processor Technology T8300
>
> but i get
>
> The new Intel Core 2 Processor Technology Duo Processor Technology T8300
>
> I can see why its doing it, reading the string in and making the
> replacement but then reading the string in for the next pattern, but i
> don't want it to do this. How do i stop preg_replace from reading in the
> same part of the string that has been replaced already?
>
> (it's a bad day! :( )
>
--
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