.Net常用正则判断方法

 ???????/// <summary> ???????/// ?判断string类型否为数字 ???????/// </summary> ???????/// <param name="strNumber"></param> ???????/// <returns></returns> ???????public static bool IsNumber(string strNumber) ???????{ ???????????string strValidRealPattern = "^([-]|[.]|[-.]|[0-9])[0-9]*[.]*[0-9]+$"; ???????????string strValidIntegerPattern = "^([-]|[0-9])[0-9]*$"; ???????????return !Regex.IsMatch(strNumber, "[^0-9.-]") && ??????????????????!Regex.IsMatch(strNumber, "[0-9]*[.][0-9]*[.][0-9]*") && ??????????????????!Regex.IsMatch(strNumber, "[0-9]*[-][0-9]*[-][0-9]*") && ??????????????????Regex.IsMatch(strNumber, "(" + strValidRealPattern + ")|(" + strValidIntegerPattern + ")"); ???????} ???????/// <summary> ???????/// 判断string类型否为正整数+0 ???????/// </summary> ???????/// <param name="strNumber"></param> ???????/// <returns></returns> ???????public static bool IsPositive(string strNumber) => Regex.IsMatch(strNumber, "^\\d+$"); ???????/// <summary> ???????/// 判断string类型否为金额 ???????/// </summary> ???????/// <param name="strNumber"></param> ???????/// <returns></returns> ???????public static bool IsAmount(string strNumber) => Regex.IsMatch(strNumber, "^[0-9]+(.[0-9]{2})?$"); ???????/// <summary> ???????/// 判断string类型否为手机号 ???????/// </summary> ???????/// <param name="strPhone"></param> ???????/// <returns></returns> ???????public static bool IsPhone(string strPhone) => Regex.IsMatch(strPhone, "^0?(13[0-9]|15[012356789]|18[012356789]|14[012356789]|17[012356789])[0-9]{8}$"); ???????/// <summary> ???????/// 判断string类型否为固定电话号 ???????/// </summary> ???????/// <param name="strTel"></param> ???????/// <returns></returns> ???????public static bool IsTel(string strTel) => Regex.IsMatch(strTel, "^(0[0-9]{2,3}-)?([2-9][0-9]{6,7})+(-[0-9]{1,4})?$"); ???????/// <summary> ???????/// 判断string类型否为邮编 ???????/// </summary> ???????/// <param name="strZipCode"></param> ???????/// <returns></returns> ???????public static bool IsZipCode(string strZipCode) => Regex.IsMatch(strZipCode, "[0-9]{6}"); ???????/// <summary> ???????/// 判断string类型否为Email ???????/// </summary> ???????/// <param name="strEmail"></param> ???????/// <returns></returns> ???????public static bool IsEmail(string strEmail) => Regex.IsMatch(strEmail, "\\w+([-+.]\\w+)*@\\w+([-.]\\w+)*\\.\\w+([-.]\\w+)*"); ???????/// <summary> ???????/// 判断是否为日期 ???????/// </summary> ???????/// <param name="dateStr"></param> ???????/// <returns></returns> ???????public static bool IsDateString(string dateStr) => DateTime.TryParse(dateStr, out var date);