C#常见验证

#region 验证邮箱验证邮箱
/**

/// 验证邮箱
///

///
///
public static bool IsEmail(string source)
{
return Regex.IsMatch(source, &＃64;"^[A-Za-z0-9](([_\.\-]?[a-zA-Z0-9]&＃43;)*)&＃64;([A-Za-z0-9]&＃43;)(([\.\-]?[a-zA-Z0-9]&＃43;)*)\.([A-Za-z]{2,})$", RegexOptions.IgnoreCase);
}
public static bool HasEmail(string source)
{
return Regex.IsMatch(source, &＃64;"[A-Za-z0-9](([_\.\-]?[a-zA-Z0-9]&＃43;)*)&＃64;([A-Za-z0-9]&＃43;)(([\.\-]?[a-zA-Z0-9]&＃43;)*)\.([A-Za-z]{2,})", RegexOptions.IgnoreCase);
}
#endregion
#region 验证网址
/**

/// 验证网址
///

///
///
public static bool IsUrl(string source)
{
return Regex.IsMatch(source, &＃64;"^(((file|gopher|news|nntp|telnet|http|ftp|https|ftps|sftp)://)|(www\.))&＃43;(([a-zA-Z0-9\._-]&＃43;\.[a-zA-Z]{2,6})|([0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}))(/[a-zA-Z0-9\&%_\./-~-]*)?$", RegexOptions.IgnoreCase);
}
public static bool HasUrl(string source)
{
return Regex.IsMatch(source, &＃64;"(((file|gopher|news|nntp|telnet|http|ftp|https|ftps|sftp)://)|(www\.))&＃43;(([a-zA-Z0-9\._-]&＃43;\.[a-zA-Z]{2,6})|([0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}))(/[a-zA-Z0-9\&%_\./-~-]*)?", RegexOptions.IgnoreCase);
}
#endregion
#region 验证日期
/**

/// 验证日期
///

///
///
public static bool IsDateTime(string source)
{
try
{
DateTime time &＃61; Convert.ToDateTime(source);
return true;
}
catch
{
return false;
}
}
#endregion
#region 验证手机号
/**

/// 验证手机号
///

///
///
public static bool IsMobile(string source)
{
return Regex.IsMatch(source, &＃64;"^1[35]\d{9}$", RegexOptions.IgnoreCase);
}
public static bool HasMobile(string source)
{
return Regex.IsMatch(source, &＃64;"1[35]\d{9}", RegexOptions.IgnoreCase);
}
#endregion
#region 验证IP
/**

/// 验证IP
///

///
///
public static bool IsIP(string source)
{
return Regex.IsMatch(source, &＃64;"^(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9])\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[0-9])$", RegexOptions.IgnoreCase);
}
public static bool HasIP(string source)
{
return Regex.IsMatch(source, &＃64;"(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9])\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[0-9])", RegexOptions.IgnoreCase);
}
#endregion

          #region 验证身份证是否有效
/**

/// 验证身份证是否有效
///

///
///
public static bool IsIDCard(string Id)
{
if (Id.Length &＃61;&＃61; 18)
{
bool check &＃61; IsIDCard18(Id);
return check;
}
else if (Id.Length &＃61;&＃61; 15)
{
bool check &＃61; IsIDCard15(Id);
return check;
}
else
{
return false;
}
}

        public static bool IsIDCard18(string Id)
{
long n &＃61; 0;
if (long.TryParse(Id.Remove(17), out n) &＃61;&＃61; false || n {
return false;//数字验证
}
string address &＃61; "11x22x35x44x53x12x23x36x45x54x13x31x37x46x61x14x32x41x50x62x15x33x42x51x63x21x34x43x52x64x65x71x81x82x91";
if (address.IndexOf(Id.Remove(2)) &＃61;&＃61; -1)
{
return false;//省份验证
}
string birth &＃61; Id.Substring(6, 8).Insert(6, "-").Insert(4, "-");
DateTime time &＃61; new DateTime();
if (DateTime.TryParse(birth, out time) &＃61;&＃61; false)
{
return false;//生日验证
}
string[] arrVarifyCode &＃61; ("1,0,x,9,8,7,6,5,4,3,2").Split(&＃39;,&＃39;);
string[] Wi &＃61; ("7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2").Split(&＃39;,&＃39;);
char[] Ai &＃61; Id.Remove(17).ToCharArray();
int sum &＃61; 0;
for (int i &＃61; 0; i <17; i&＃43;&＃43;)
{
sum &＃43;&＃61; int.Parse(Wi[i]) * int.Parse(Ai[i].ToString());
}
int y &＃61; -1;
Math.DivRem(sum, 11, out y);
if (arrVarifyCode[y] !&＃61; Id.Substring(17, 1).ToLower())
{
return false;//校验码验证
}
return true;//符合GB11643-1999标准
}

        public static bool IsIDCard15(string Id)
{
long n &＃61; 0;
if (long.TryParse(Id, out n) &＃61;&＃61; false || n {
return false;//数字验证
}
string address &＃61; "11x22x35x44x53x12x23x36x45x54x13x31x37x46x61x14x32x41x50x62x15x33x42x51x63x21x34x43x52x64x65x71x81x82x91";
if (address.IndexOf(Id.Remove(2)) &＃61;&＃61; -1)
{
return false;//省份验证
}
string birth &＃61; Id.Substring(6, 6).Insert(4, "-").Insert(2, "-");
DateTime time &＃61; new DateTime();
if (DateTime.TryParse(birth, out time) &＃61;&＃61; false)
{
return false;//生日验证
}
return true;//符合15位身份证标准
}
#endregion

        #region 是不是Int型的
/**

/// 是不是Int型的
///

///
///
public static bool IsInt(string source)
{
Regex regex &＃61; new Regex(&＃64;"^(-){0,1}\d&＃43;$");
if (regex.Match(source).Success)
{
if ((long.Parse(source) > 0x7fffffffL) || (long.Parse(source) <-2147483648L))
{
return false;
}
return true;
}
return false;
}
#endregion

        #region 看字符串的长度是不是在限定数之间 一个中文为两个字符
/**

/// 看字符串的长度是不是在限定数之间 一个中文为两个字符
///

/// 字符串
/// 大于等于
/// 小于等于
///
public static bool IsLengthStr(string source, int begin, int end)
{
int length &＃61; Regex.Replace(source, &＃64;"[^\x00-\xff]", "OK").Length;
if ((length <&＃61; begin) && (length >&＃61; end))
{
return false;
}
return true;
}
#endregion

        #region 是不是中国电话&＃xff0c;格式010-85849685
/**

/// 是不是中国电话&＃xff0c;格式010-85849685
///

///
///
public static bool IsTel(string source)
{
return Regex.IsMatch(source, &＃64;"^\d{3,4}-?\d{6,8}$", RegexOptions.IgnoreCase);
}
#endregion

       #region 邮政编码 6个数字
/**

/// 邮政编码 6个数字
///

///
///
public static bool IsPostCode(string source)
{
return Regex.IsMatch(source, &＃64;"^\d{6}$", RegexOptions.IgnoreCase);
}
#endregion

       #region 中文
/**

/// 中文
///

///
///
public static bool IsChinese(string source)
{
return Regex.IsMatch(source, &＃64;"^[\u4e00-\u9fa5]&＃43;$", RegexOptions.IgnoreCase);
}
public static bool hasChinese(string source)
{
return Regex.IsMatch(source, &＃64;"[\u4e00-\u9fa5]&＃43;", RegexOptions.IgnoreCase);
}
#endregion

       #region 验证是不是正常字符 字母&＃xff0c;数字&＃xff0c;下划线的组合
/**

/// 验证是不是正常字符 字母&＃xff0c;数字&＃xff0c;下划线的组合
///

///
///
public static bool IsNormalChar(string source)
{
return Regex.IsMatch(source, &＃64;"[\w\d_]&＃43;", RegexOptions.IgnoreCase);
}
#endregion