Storing user entered data in the session

From: Date: Tue, 16 Feb 2010 14:07:29 +0000
Subject: Storing user entered data in the session
Groups: php.general 
Request: Send a blank email to php-general+get-302104@lists.php.net to get a copy of this message
Can anyone guide me here? I have the desire to store user entered data into the session. I am regexing it to be only a-zA-z0-9 and a space. The data is stored in an object and then serialized before storing it into the session. Does anyone see any potential security risks here? Thanks, Mike

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