alright well first off this may be in the wrong section but i am not quite sure what language i would use and im using some PHP so i posted this here.

I am working on a contact form and i need some help preventing illegal characters such as "`" "!" "#" "$" "%" "(" and so on.

I was told to use regex by Andrew R but i tried sitepoint, google, pixel2life, other freelance forms and all sorts of stuff and seriously got nothing..

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Real Programmers always confuse Christmas and Halloween because Oct31 == Dec25 - Andrew Rutherford