c# 正则表达式验证手机号 电话号码

直接上代码

代码如下：

/// <summary>/// 验证电话号码/// </summary>/// <param name=""></param>/// <returns></returns>public static bool IsTel(string telephoneNumber){return System.Text.RegularExpressions.Regex.IsMatch(telephoneNumber, @"^(\d{3,4}-)?\d{6,8}$");}/// <summary>/// 验证手机号码/// </summary>/// <param name="str_handset"></param>/// <returns></returns>public static bool IsMobile(string mobile){if (string.IsNullOrEmpty(mobile))return false;return Regex.IsMatch(mobile, @"^(1)\d{10}$");}/// <summary>/// 验证输入为数字/// </summary>/// <param name=""></param>/// <returns></returns>public static bool IsNumber(string str_number){return System.Text.RegularExpressions.Regex.IsMatch(str_number, @"^[0-9]*$");}