>using System; >using System.Collections.Generic; >using System.Text.RegularExpressions; >using System.Text; > >namespace SocketServer >{ > public class myFunctions > { > private string ReformatPhone(string phone) > { > Match m = Regex.Match(phone, @"^\(?(\d{3})\)?[\s\-]?(\d{3})\-?(\d{4})$"); > return String.Format("{0}-{1}-{2}", m.Groups[1], m.Groups[2], m.Groups[3]); > } > } >} >