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Anyone know a good Regex expression to drop in the ValidationExpression to be sure that my users are only entering ASCII characters?
<asp:RegularExpressionValidator id='myRegex' runat='server' ControlToValidate='txtName' ValidationExpression='???' ErrorMessage='Non-ASCII Characters' Display='Dynamic' />
One thing you may want to watch out for is the lower part of the ASCII table has a lot of control characters which can cause funky results. Here’s the expression I use to only allow ‘non-funky’ characters: