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I am validating the controls on a web form. However I have a comment box (Text box control) that allows someone to enter up to 2000 characters. I need to prevent someone from entering in potential scripts for hacking the system. How should I validate the comment section of the form? Should I explicitly search for characters like &quot;&lt;\&quot; <br />
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If anyone has any good suggestions on this, please let me know.
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I am validating the controls on a web form. However I have a comment box (Text box control) that allows someone to enter up to 2000 characters. I need to prevent someone from entering in potential scripts for hacking the system. How should I validate the comment section of the form? Should I explicitly search for characters like "<\" 

If anyone has any good suggestions on this, please let me know.

How to validate a comment section of a web form.

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