Mobile number validation using javascript

function CheckIndianNumber(IndianNumber) {

    var IndNum = /^\d{10}$/;

    if (IndNum.test(IndianNumber)) {

//        alert("Your Mobile Number Is Valid.");

    }



    else {

        alert("Your Mobile Number Is Not Valid.");

    }

}

Call on textbox event:-

<asp:TextBox ID="txtMB" runat="server" Height="44px" Width="158px" onblur="CheckIndianNumber(txtMB.value)"></asp:TextBox>