正则表达式验证注册信息
2014-05-29 10:33
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/// <summary>
/// 检测是否有Sql危险字符
/// </summary>
/// <param name="str">要判断字符串</param>
/// <returns>判断结果</returns>
public static bool IsSafeSqlString(string source)
{
return !Regex.IsMatch(source, @"[-|;|,|\/|\(|\)|\[|\]|\}|\{|%|@|\*|!|\']");
}
/// <summary>
/// 验证用户名
/// </summary>
/// <param name="source"></param>
/// <returns>
/// 0 空
/// -1 用户名不能以数字开头
/// -2 合法长度为6-18个字符
/// -3 用户名只能包含_,英文字母，数字
/// -4 用户名只能英文字母开头
/// -5 用户名只能英文字母或数字结尾
/// 1 合法用户名
/// </returns>
public static int IsUserName(string source)
{
if (string.IsNullOrEmpty(source)) return 0;
if (Regex.IsMatch(source, @"^\d.*$", RegexOptions.IgnoreCase))
//用户名不能以数字开头
return -1;
if (source.Length < 6 || source.Length > 18)
//合法长度为6-18个字符
return -2;
if (!Regex.IsMatch(source, @"^\w+$", RegexOptions.IgnoreCase))
//用户名只能包含_,英文字母，数字
return -3;
if (!Regex.IsMatch(source, @"^([a-z]|[A-Z])[0-9a-zA-Z_]+$", RegexOptions.IgnoreCase))
//用户名只能英文字母开头
return -4;
if (!Regex.IsMatch(source, @"[0-9a-zA-Z]+$", RegexOptions.IgnoreCase))
//用户名只能英文字母或数字结尾
return -5;
return 1;
}
/// <summary>
/// 验证邮箱
/// </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,})$", RegexOptions.IgnoreCase);
}
public static bool HasEmail(string source)
{
return Regex.IsMatch(source, @"[A-Za-z0-9](([_\.\-]?[a-zA-Z0-9]+)*)@([A-Za-z0-9]+)(([\.\-]?[a-zA-Z0-9]+)*)\.([A-Za-z]{2,})", RegexOptions.IgnoreCase);
}
/// <summary>
/// 验证QQ
/// </summary>
/// <param name="source"></param>
/// <returns></returns>
public static bool IsQQ(string source)
{
return Regex.IsMatch(source, @"^[1-9]\d{4,10}$", RegexOptions.IgnoreCase);
}
/// <summary>
/// 验证日期
/// </summary>
/// <param name="source"></param>
/// <returns></returns>
public static bool IsDateTime(string source)
{
try
{
DateTime time = Convert.ToDateTime(source);
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 验证手机号
/// </summary>
/// <param name="source"></param>
/// <returns></returns>
public static bool IsMobile(string source)
{
return Regex.IsMatch(source, @"^1[358]\d{9}$", RegexOptions.IgnoreCase);
}
public static bool HasMobile(string source)
{
return Regex.IsMatch(source, @"1[358]\d{9}", RegexOptions.IgnoreCase);
}
/// <summary>
/// 验证身份证是否有效
/// </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;//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
}
/// <summary>
/// 是不是中国电话，格式010-85849685
/// </summary>
/// <param name="source"></param>
/// <returns></returns>
public static bool IsTel(string source)
{
return Regex.IsMatch(source, @"^(\d{3,4}-)[1-9]\d{6,8}(\-\d{1,4})?$", RegexOptions.IgnoreCase);
}
/// <summary>
/// 获得当前页面客户端的IP
/// </summary>
/// <returns>当前页面客户端的IP</returns>
public static string GetIP()
{
string result = HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"];
if (string.IsNullOrEmpty(result))
result = HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"];
if (string.IsNullOrEmpty(result))
result = HttpContext.Current.Request.UserHostAddress;
if (string.IsNullOrEmpty(result) || !Utils.IsIP(result))
return "127.0.0.1";
return result;
}
/// 检测是否有Sql危险字符
/// </summary>
/// <param name="str">要判断字符串</param>
/// <returns>判断结果</returns>
public static bool IsSafeSqlString(string source)
{
return !Regex.IsMatch(source, @"[-|;|,|\/|\(|\)|\[|\]|\}|\{|%|@|\*|!|\']");
}
/// <summary>
/// 验证用户名
/// </summary>
/// <param name="source"></param>
/// <returns>
/// 0 空
/// -1 用户名不能以数字开头
/// -2 合法长度为6-18个字符
/// -3 用户名只能包含_,英文字母，数字
/// -4 用户名只能英文字母开头
/// -5 用户名只能英文字母或数字结尾
/// 1 合法用户名
/// </returns>
public static int IsUserName(string source)
{
if (string.IsNullOrEmpty(source)) return 0;
if (Regex.IsMatch(source, @"^\d.*$", RegexOptions.IgnoreCase))
//用户名不能以数字开头
return -1;
if (source.Length < 6 || source.Length > 18)
//合法长度为6-18个字符
return -2;
if (!Regex.IsMatch(source, @"^\w+$", RegexOptions.IgnoreCase))
//用户名只能包含_,英文字母，数字
return -3;
if (!Regex.IsMatch(source, @"^([a-z]|[A-Z])[0-9a-zA-Z_]+$", RegexOptions.IgnoreCase))
//用户名只能英文字母开头
return -4;
if (!Regex.IsMatch(source, @"[0-9a-zA-Z]+$", RegexOptions.IgnoreCase))
//用户名只能英文字母或数字结尾
return -5;
return 1;
}
/// <summary>
/// 验证邮箱
/// </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,})$", RegexOptions.IgnoreCase);
}
public static bool HasEmail(string source)
{
return Regex.IsMatch(source, @"[A-Za-z0-9](([_\.\-]?[a-zA-Z0-9]+)*)@([A-Za-z0-9]+)(([\.\-]?[a-zA-Z0-9]+)*)\.([A-Za-z]{2,})", RegexOptions.IgnoreCase);
}
/// <summary>
/// 验证QQ
/// </summary>
/// <param name="source"></param>
/// <returns></returns>
public static bool IsQQ(string source)
{
return Regex.IsMatch(source, @"^[1-9]\d{4,10}$", RegexOptions.IgnoreCase);
}
/// <summary>
/// 验证日期
/// </summary>
/// <param name="source"></param>
/// <returns></returns>
public static bool IsDateTime(string source)
{
try
{
DateTime time = Convert.ToDateTime(source);
return true;
}
catch
{
return false;
}
}
/// <summary>
/// 验证手机号
/// </summary>
/// <param name="source"></param>
/// <returns></returns>
public static bool IsMobile(string source)
{
return Regex.IsMatch(source, @"^1[358]\d{9}$", RegexOptions.IgnoreCase);
}
public static bool HasMobile(string source)
{
return Regex.IsMatch(source, @"1[358]\d{9}", RegexOptions.IgnoreCase);
}
/// <summary>
/// 验证身份证是否有效
/// </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;//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
}
/// <summary>
/// 是不是中国电话，格式010-85849685
/// </summary>
/// <param name="source"></param>
/// <returns></returns>
public static bool IsTel(string source)
{
return Regex.IsMatch(source, @"^(\d{3,4}-)[1-9]\d{6,8}(\-\d{1,4})?$", RegexOptions.IgnoreCase);
}
/// <summary>
/// 获得当前页面客户端的IP
/// </summary>
/// <returns>当前页面客户端的IP</returns>
public static string GetIP()
{
string result = HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"];
if (string.IsNullOrEmpty(result))
result = HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"];
if (string.IsNullOrEmpty(result))
result = HttpContext.Current.Request.UserHostAddress;
if (string.IsNullOrEmpty(result) || !Utils.IsIP(result))
return "127.0.0.1";
return result;
}
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