Password validation on Asp.Net using regular expration

Case 1: Validation for 8-10 characters with alphabets,numbers and no special characters.

<asp:regularexpressionvalidator controltovalidate="txtPassword" display="Dynamic" errormessage="Password must be 8-10 characters long</br> with at least one numeric character." forecolor="Red" id="RegularExpressionValidator3" runat="server" validationexpression="(?!^[0-9]*$)(?!^[a-zA-Z]*$)^([a-zA-Z0-9]{8,10})$"> </asp:regularexpressionvalidator></asp:textbox>  

Case2: Validation for 8-10 characters with characters,numbers and special characters.
 
<asp:textbox id="txtpasswordwithNoUpperCharacter" runat="server" /> <asp:regularexpressionvalidator :="" display="Dynamic" errormessage="Password must be 8-10 characters long with at least one numeric,</br> one alphabet and one special character." forecolor="Red" id="RegularExpressionValidator2" validationexpression="(?=^.{8,10}$)(?=.*\d)(?=.*[a-zA-Z])(?=.*[!@#$%^&*()_+}{">.<,])(?!.*\s).*$" controltovalidate="txtpasswordwithNoUpperCharacter" runat="server"> </asp:regularexpressionvalidator>  

Case3: Validation for 8-10 characters with characters,numbers,1 upper case letter and special characters.

 <asp:textbox id="txtPasswordWithSpecialCharacter" runat="server"/> <asp:regularexpressionvalidator :="" display="Dynamic" errormessage="Password must be 8-10 characters long with at least one numeric,</br>one upper case character and one special character." forecolor="Red" id="RegularExpressionValidator1" validationexpression="(?=^.{8,10}$)(?=.*\d)(?=.*[a-z])(?=.*[A-Z])(?=.*[!@#$%^&*()_+}{">.<,])(?!.*\s).*$" controltovalidate="txtPasswordWithSpecialCharacter" runat="server"/>