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using System.Text;
using System.Text.RegularExpressions;
namespace ZC.Utils
{
public class ValidateHelper
{
private static Regex RegNumber = new Regex("^[0-9]+$");
private static Regex RegNumberSign = new Regex("^[+-]?[0-9]+$");
private static Regex RegDecimal = new Regex("^[0-9]+[.]?[0-9]+$");
private static Regex RegDecimalSign = new Regex("^[+-]?[0-9]+[.]?[0-9]+$");
private static Regex RegEmail = new Regex("^[\\w-]+(\\.[\\w-]+)*@[\\w-]+(\\.[\\w-]+)+$");
private static Regex RegCHZN = new Regex("[一-龥]");
public static int GetStringLength(string stringValue)
{
return Encoding.Default.GetBytes(stringValue).Length;
}
public static bool IsValidUserName(string userName)
{
int userNameLength = ValidateHelper.GetStringLength(userName);
return userNameLength >= 4 && userNameLength <= 20 && Regex.IsMatch(userName, "^([\\u4e00-\\u9fa5A-Za-z_0-9]{0,})$");
}
public static bool IsValidPassword(string password)
{
return Regex.IsMatch(password, "^[A-Za-z_0-9]{6,16}$");
}
public static bool IsValidInt(string val)
{
return Regex.IsMatch(val, "^[1-9]\\d*\\.?[0]*$");
}
public static bool IsNumber(string inputData)
{
Match i = ValidateHelper.RegNumber.Match(inputData);
return i.Success;
}
public static bool IsNumberSign(string inputData)
{
Match i = ValidateHelper.RegNumberSign.Match(inputData);
return i.Success;
}
public static bool IsDecimal(string inputData)
{
Match i = ValidateHelper.RegDecimal.Match(inputData);
return i.Success;
}
public static bool IsDecimalSign(string inputData)
{
Match i = ValidateHelper.RegDecimalSign.Match(inputData);
return i.Success;
}
public static bool IsHasCHZN(string inputData)
{
Match i = ValidateHelper.RegCHZN.Match(inputData);
return i.Success;
}
public static int GetCHZNLength(string inputData)
{
ASCIIEncoding i = new ASCIIEncoding();
byte[] bytes = i.GetBytes(inputData);
int length = 0;
for (int j = 0; j <= bytes.Length - 1; j++)
{
if (bytes[j] == 63)
{
length++;
}
length++;
}
return length;
}
public static bool IsIdCard(string idCard)
{
bool result;
if (string.IsNullOrEmpty(idCard))
{
result = false;
}
else
{
if (idCard.Length == 15)
{
result = Regex.IsMatch(idCard, "^[1-9]\\d{7}((0\\d)|(1[0-2]))(([0|1|2]\\d)|3[0-1])\\d{3}$");
}
else
{
result = (idCard.Length == 18 && Regex.IsMatch(idCard, "^[1-9]\\d{5}[1-9]\\d{3}((0\\d)|(1[0-2]))(([0|1|2]\\d)|3[0-1])((\\d{4})|\\d{3}[A-Z])$", RegexOptions.IgnoreCase));
}
}
return result;
}
public static bool IsEmail(string inputData)
{
Match i = ValidateHelper.RegEmail.Match(inputData);
return i.Success;
}
public static bool IsValidZip(string zip)
{
Regex rx = new Regex("^\\d{6}$", RegexOptions.None);
Match i = rx.Match(zip);
return i.Success;
}
public static bool IsValidPhone(string phone)
{
Regex rx = new Regex("^(\\(\\d{3,4}\\)|\\d{3,4}-)?\\d{7,8}$", RegexOptions.None);
Match i = rx.Match(phone);
return i.Success;
}
public static bool IsValidMobile(string mobile)
{
Regex rx = new Regex("^(13|15)\\d{9}$", RegexOptions.None);
Match i = rx.Match(mobile);
return i.Success;
}
public static bool IsValidPhoneAndMobile(string number)
{
Regex rx = new Regex("^(\\(\\d{3,4}\\)|\\d{3,4}-)?\\d{7,8}$|^(13|15)\\d{9}$", RegexOptions.None);
Match i = rx.Match(number);
return i.Success;
}
public static bool IsValidURL(string url)
{
return Regex.IsMatch(url, "^(http|https|ftp)\\://[a-zA-Z0-9\\-\\.]+\\.[a-zA-Z]{2,3}(:[a-zA-Z0-9]*)?/?([a-zA-Z0-9\\-\\._\\?\\,\\‘/\\\\\\+&%\\$#\\=~])*[^\\.\\,\\)\\(\\s]$");
}
public static bool IsValidIP(string ip)
{
return Regex.IsMatch(ip, "^((2[0-4]\\d|25[0-5]|[01]?\\d\\d?)\\.){3}(2[0-4]\\d|25[0-5]|[01]?\\d\\d?)$");
}
public static bool IsValidDomain(string host)
{
Regex r = new Regex("^\\d+$");
return host.IndexOf(".") != -1 && !r.IsMatch(host.Replace(".", string.Empty));
}
public static bool IsBase64String(string str)
{
return Regex.IsMatch(str, "[A-Za-z0-9\\+\\/\\=]");
}
public static bool IsGuid(string guid)
{
return !string.IsNullOrEmpty(guid) && Regex.IsMatch(guid, "[A-F0-9]{8}(-[A-F0-9]{4}){3}-[A-F0-9]{12}|[A-F0-9]{32}", RegexOptions.IgnoreCase);
}
public static bool IsDate(string strValue)
{
return Regex.IsMatch(strValue, "^((\\d{2}(([02468][048])|([13579][26]))[\\-\\/\\s]?((((0?[13578])|(1[02]))[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])))))|(\\d{2}(([02468][1235679])|([13579][01345789]))[\\-\\/\\s]?((((0?[13578])|(1[02]))[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\\-\\/\\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))");
}
public static bool IsDateHourMinute(string strValue)
{
return Regex.IsMatch(strValue, "^(19[0-9]{2}|[2-9][0-9]{3})-((0(1|3|5|7|8)|10|12)-(0[1-9]|1[0-9]|2[0-9]|3[0-1])|(0(4|6|9)|11)-(0[1-9]|1[0-9]|2[0-9]|30)|(02)-(0[1-9]|1[0-9]|2[0-9]))\\x20(0[0-9]|1[0-9]|2[0-3])(:[0-5][0-9]){1}$");
}
public static string CheckMathLength(string inputData, int maxLength)
{
if (inputData != null && inputData != string.Empty)
{
inputData = inputData.Trim();
if (inputData.Length > maxLength)
{
inputData = inputData.Substring(0, maxLength);
}
}
return inputData;
}
public static string Encode(string str)
{
str = str.Replace("&", "&");
str = str.Replace("‘", "‘‘");
str = str.Replace("\"", """);
str = str.Replace(" ", " ");
str = str.Replace("<", "<");
str = str.Replace(">", ">");
str = str.Replace("\n", "<br>");
return str;
}
public static string Decode(string str)
{
str = str.Replace("<br>", "\n");
str = str.Replace(">", ">");
str = str.Replace("<", "<");
str = str.Replace(" ", " ");
str = str.Replace(""", "\"");
return str;
}
}
}
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原文地址：http://www.cnblogs.com/huangdegen/p/4656725.html
