Phone Number Regex

new_gist_file

\d{3}\-\d{3}\-\d{4} 

<td class="regLtCol">
  										<asp:RequiredFieldValidator ID="phoneReqValidator" runat="server" 
												ErrorMessage="Please input your phone" ControlToValidate="txtPhone" 
												Display="Dynamic">*</asp:RequiredFieldValidator>
											<asp:RegularExpressionValidator ID="phoneRegexValidator" runat="server" 
												ControlToValidate="txtPhone" 
												ErrorMessage="Please enter a valid phone number (format: 555-555-5555)" 
												ValidationExpression="\d{3}\-\d{3}\-\d{4}" ValidationGroup="personalInfoGroup">*</asp:RegularExpressionValidator>
											Phone
										</td>
										<td class="regRtCol">
											<asp:TextBox ID="txtPhone" runat="server" CssClass="regTextField" placeholder="555-555-5555"></asp:TextBox>							
										</td>