Posted by John Nichel on 02/21/05 18:04

pmpa wrote:
> Hi all.
>
> What is the best way to do a string insensitive replace?
> Currently I am doing:
>
> $replace = "g r";
> $arr = explode(" ",$replace);
> $text = "PHP is GreaT!";
> for($i=0;i<count($arr);$i++){
> $text =
> str_replace(strtolower($arr[$i]),"<b>".strtolower($arr[$i])."</b>",$text);
> $text =
> str_replace(strtoupper($arr[$i]),"<b>".strtoupper($arr[$i])."</b>",$text);
> }
>
> Works except for "Ph","PhP","gr" etc...
> I am looking for suggestions before using str_split(); because my $replace
> string can be a bit large :)

You could use a regular expression...

preg_replace ( "/needle/i", "replace", $haystack );
------------------------^

The 'i' makes it case insensitive.

--
John C. Nichel
ÜberGeek
KegWorks.com
716.856.9675
john@kegworks.com

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