Validate at least 6 character with characters,numbers,1 upper case letter and special characters password using RegularExpressionValidator in asp.net C#

Source Code:-

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:TextBox ID="txtpwd" runat="server" Width="180px"></asp:TextBox>

        <asp:RegularExpressionValidator ID="revpwd" runat="server" ErrorMessage="Choose at  least 6 character with characters,numbers,1 upper case letter and special characters."
            ValidationExpression="(?=^.{6,10}$)(?=.*\d)(?=.*[a-z])(?=.*[A-Z])(?=.*[!@#$%^&amp;*()_+}{&quot;:;'?/&gt;.&lt;,])(?!.*\s).*$"
            ControlToValidate="txtpwd" ForeColor="Red" Style="font-size: small"
            Display="Dynamic"></asp:RegularExpressionValidator>
    </div>
    </form>
</body>
</html>

Out-Put:-

Validate at least 6 character with characters,numbers,1 upper case letter and special characters password using RegularExpressionValidator in asp.net C# Validate at  least 6 character with characters,numbers,1 upper case letter and special characters  password using RegularExpressionValidator in asp.net C# Reviewed by NEERAJ SRIVASTAVA on 9:53:00 AM Rating: 5

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