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Re: Hazardous characters filter

by MidLifeXis (Monsignor)
on Mar 25, 2014 at 17:36 UTC ( [id://1079710]=note: print w/replies, xml ) Need Help??


in reply to Hazardous characters filter

You may also want to consider if you want to remove bad characters, or allow good characters. There is a subtle difference. The first requires that you keep a list of all bad characters, and in the case of missing one will allow a bad character through. The second requires that you keep a list of good characters, and missing one will not allow a good input. Which failure mode is worse will help you make your decision.

--MidLifeXis

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