C#驗證郵箱,電話,手機,數字,英文,日期,身份證,郵編,網址,IP類等經常使用函數封裝

#region 驗證郵箱驗證郵箱

/**/ /// <summary>

/// 驗證郵箱

/// </summary>

/// <param name="source"></param>

/// <returns></returns>

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 驗證網址

/**/ /// <summary>

/// 驗證網址

/// </summary>

/// <param name="source"></param>

/// <returns></returns>

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 驗證日期

/**/ /// <summary>

/// 驗證日期

/// </summary>

/// <param name="source"></param>

/// <returns></returns>

public static bool IsDateTime( string source)

{

try

{

DateTime time = Convert.ToDateTime(source);

return true ;

}

catch

{

return false ;

}

}

#endregion

   

#region 驗證手機號

/**/ /// <summary>

/// 驗證手機號

/// </summary>

/// <param name="source"></param>

/// <returns></returns>

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 驗證IP

/**/ /// <summary>

/// 驗證IP

/// </summary>

/// <param name="source"></param>

/// <returns></returns>

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 驗證身份證是否有效

/**/ /// <summary>

/// 驗證身份證是否有效

/// </summary>

/// <param name="Id"></param>

/// <returns></returns>

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 ; //數字驗證

}

string address = "11x22x35x44x53x12x23x36x45x54x13x31x37x46x61x14x32x41x50x62x15x33x42x51x63x21x34x43x52x64x65x71x81x82x91" ;

if (address.IndexOf(Id.Remove(2)) == -1)

{

return false ; //省份驗證

}

string birth = Id.Substring(6, 8).Insert(6, "-" ).Insert(4, "-" );

DateTime time = new DateTime();

if (DateTime.TryParse(birth, out time) == false )

{

return false ; //生日驗證

}

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 ; //校驗碼驗證

}

return true ; //符合GB11643-1999標準

}

   

         public static bool IsIDCard15( string Id)

{

long n = 0;

if ( long .TryParse(Id, out n) == false || n < Math.Pow(10, 14))

{

return false ; //數字驗證

}

string address = "11x22x35x44x53x12x23x36x45x54x13x31x37x46x61x14x32x41x50x62x15x33x42x51x63x21x34x43x52x64x65x71x81x82x91" ;

if (address.IndexOf(Id.Remove(2)) == -1)

{

return false ; //省份驗證

}

string birth = Id.Substring(6, 6).Insert(4, "-" ).Insert(2, "-" );

DateTime time = new DateTime();

if (DateTime.TryParse(birth, out time) == false )

{

return false ; //生日驗證

}

return true ; //符合15位身份證標準

}

#endregion

   

         #region 是否是Int型的

/**/ /// <summary>

/// 是否是Int型的

/// </summary>

/// <param name="source"></param>

/// <returns></returns>

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 看字符串的長度是否是在限定數之間 一箇中文爲兩個字符

/**/ /// <summary>

/// 看字符串的長度是否是在限定數之間 一箇中文爲兩個字符

/// </summary>

/// <param name="source">字符串</param>

/// <param name="begin">大於等於</param>

/// <param name="end">小於等於</param>

/// <returns></returns>

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 是否是中國電話，格式010-85849685

/**/ /// <summary>

/// 是否是中國電話，格式010-85849685

/// </summary>

/// <param name="source"></param>

/// <returns></returns>

public static bool IsTel( string source)

{

return Regex.IsMatch(source, @"^d{3,4}-?d{6,8}$" , RegexOptions.IgnoreCase);

}

#endregion

   

        #region 郵政編碼 6個數字

/**/ /// <summary>

/// 郵政編碼 6個數字

/// </summary>

/// <param name="source"></param>

/// <returns></returns>

public static bool IsPostCode( string source)

{

return Regex.IsMatch(source, @"^d{6}$" , RegexOptions.IgnoreCase);

}

#endregion

   

        #region 中文

/**/ /// <summary>

/// 中文

/// </summary>

/// <param name="source"></param>

/// <returns></returns>

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 驗證是否是正常字符 字母，數字，下劃線的組合

/**/ /// <summary>

/// 驗證是否是正常字符 字母，數字，下劃線的組合

/// </summary>

/// <param name="source"></param>

/// <returns></returns>

public static bool IsNormalChar( string source)

{

return Regex.IsMatch(source, @"[wd_]+" , RegexOptions.IgnoreCase);

}

#endregion