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ereg_replace question

Posted: Mon Apr 28, 2008 5:03 pm
by vexxy
I have the following lines of code:

$title =ereg_replace("[^[:alnum:]]", " ", $_POST['title']);
$title = ereg_replace(" +",' ',$title);

Any inputed title will be shown, except for the special chars. My question is, how can I allow the following chars: ' and -

Tnx in advance.

p.s. i'm a newbie programmer :)