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Asked: 2026-06-13T06:09:02+00:00

I am using the following regular expression on my regular expression validator <asp:RegularExpressionValidator ID=revAddress

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I am using the following regular expression on my regular expression validator

<asp:RegularExpressionValidator ID="revAddress" runat="server" ControlToValidate="txtAddress" ValidationExpression="^[a-zA-Z0-9 ]+$" ErrorMessage="Alphabets and Numbers only" ForeColor="Red"> </asp:RegularExpressionValidator>

The expression being – ^[a-zA-Z0-9 ]+$

This allows letters, numbers and spaces and I tried . \, and it wasn’t working
Now, wondering how to include these special characters.

dot (.) Comma(,) hypen (-) and slash (/)

I appreciate your help.

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1 Answer

  1. Editorial Team

    just add those characters in your class (escaping the hyphen and /)

     ^[a-zA-Z0-9,.\/\-]+$

    example jsbin : http://jsbin.com/eweren/2/edit

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