C#验证邮箱,电话,手机,数字,英文,日期,身份证,邮编,网址,IP类等常用函数封装

#region 验证邮箱验证邮箱

/**/ ///

/// 验证邮箱
///
///
///
public static bool IsEmail( string source)
{
return Regex.IsMatch(source, @"^[A-Za-z0-9](([_.-]?[a-zA-Z0-9]+)*)@([A-Za-z0-9]+)(([.-]?[a-zA-Z0-9]+)*).([A-Za-z]{2,})$" , RegexOptions.IgnoreCase);
}
public static bool HasEmail( string source)
{
return Regex.IsMatch(source, @"[A-Za-z0-9](([_.-]?[a-zA-Z0-9]+)*)@([A-Za-z0-9]+)(([.-]?[a-zA-Z0-9]+)*).([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, @"^(((file|gopher|news|nntp|telnet|http|ftp|https|ftps|sftp)://)|(www.))+(([a-zA-Z0-9._-]+.[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, @"(((file|gopher|news|nntp|telnet|http|ftp|https|ftps|sftp)://)|(www.))+(([a-zA-Z0-9._-]+.[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 = 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, @"^1[35]d{9}$" , RegexOptions.IgnoreCase);
}
public static bool HasMobile( string source)
{
return Regex.IsMatch(source, @"1[35]d{9}" , RegexOptions.IgnoreCase);
}
#endregion

#region 验证IP

/**/ ///

/// 验证IP
///
///
///
public static bool IsIP( string source)
{
return Regex.IsMatch(source, @"^(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, @"(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 == 18)
{
bool check = IsIDCard18(Id);
return check;
}
else if (Id.Length == 15)
{
bool check = IsIDCard15(Id);
return check;
}
else
{
return false ;
}
}

        public static bool IsIDCard18( string Id)
{
long n = 0;
if ( long .TryParse(Id.Remove(17), out n) == false || n < Math.Pow(10, 16) || long .TryParse(Id.Replace( 'x' , '0' ).Replace( 'X' , '0' ), out n) == false )
{
return false ; //数字验证
}
string address = "11x22x35x44x53x12x23x36x45x54x13x31x37x46x61x14x32x41x50x62x15x33x42x51x63x21x34x43x52x64x65x71x81x82x91" ;
if (address.IndexOf(Id.Remove(2)) == -1)
{
return false ; //省份验证
}
string birth = Id.Substring(6, 8).Insert(6, "-" ).Insert(4, "-" );
DateTime time = new DateTime();
if (DateTime.TryParse(birth, out time) == false )
{
return false ; //生日验证
}
string [] arrVarifyCode = ( "1,0,x,9,8,7,6,5,4,3,2" ).Split( ',' );
string [] Wi = ( "7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2" ).Split( ',' );
char [] Ai = Id.Remove(17).ToCharArray();
int sum = 0;
for ( int i = 0; i < 17; i++)
{
sum += int .Parse(Wi[i]) * int .Parse(Ai[i].ToString());
}
int y = -1;
Math.DivRem(sum, 11, out y);
if (arrVarifyCode[y] != 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 = 0;
if ( long .TryParse(Id, out n) == false || n < Math.Pow(10, 14))
{
return false ; //数字验证
}
string address = "11x22x35x44x53x12x23x36x45x54x13x31x37x46x61x14x32x41x50x62x15x33x42x51x63x21x34x43x52x64x65x71x81x82x91" ;
if (address.IndexOf(Id.Remove(2)) == -1)
{
return false ; //省份验证
}
string birth = Id.Substring(6, 6).Insert(4, "-" ).Insert(2, "-" );
DateTime time = new DateTime();
if (DateTime.TryParse(birth, out time) == 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 = new Regex( @"^(-){0,1}d+$" );
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 = Regex.Replace(source, @"[^x00-xff]" , "OK" ).Length;
if ((length <= begin) && (length >= end))
{
return false ;
}
return true ;
}
#endregion

        #region 是不是中国电话，格式010-85849685

/**/ ///

/// 是不是中国电话，格式010-85849685
///
///
///
public static bool IsTel( string source)
{
return Regex.IsMatch(source, @"^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, @"^d{6}$" , RegexOptions.IgnoreCase);
}
#endregion

       #region 中文

/**/ ///

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

       #region 验证是不是正常字符 字母，数字，下划线的组合

/**/ ///

/// 验证是不是正常字符 字母，数字，下划线的组合
///
///
///
public static bool IsNormalChar( string source)
{
return Regex.IsMatch(source, @"[wd_]+" , RegexOptions.IgnoreCase);
}
#endregion