[PHP] ereg_replace???

[Shawn McKenzie]

I need to replace all NON alpha-numeric characters in a string.

Example:
   input:  "-What's Up Doc?"
   output: "WhatsUpDoc"

I received this in a previous post, but it doesn't work:
   $str = ereg_replace("/[^[:alnum:]]/i", '', $str);

Thanks!
Shawn



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