using System;
using System.Text.RegularExpressions; namespace HuaTong.General.Utility
{
/// <summary>
/// 字符串验证
/// </summary>
public static class StringValidate
{
private static Regex RegNumeric = new Regex("^[0-9]+$");
private static Regex RegNumericSign = new Regex("^[+-]?[0-9]+$");
private static Regex RegDecimal = new Regex("^([0-9]+[.]?[0-9]+)|([0-9]+)$");
private static Regex RegDecimalSign = new Regex("^[+-]?[0-9]+[.]?[0-9]+$");
private static Regex RegEmail = new Regex(@"^\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$");
private static Regex RegChina = new Regex("^[\u4e00-\u9fa5]*$");
private static Regex RegPostcode = new Regex(@"^(\d{6})$");
private static Regex RegUrl = new Regex(@"^(http|https|ftp|mms)?://([\w-]+\.)+[\w-]+(/[\w- ./?%&=]*)?$");
private static Regex RegTEL = new Regex(@"^\d{6,8}|\d{3,4}-\d{6,8}$");
private static Regex RegDate = new Regex(@"^\d{4}(\-|\/|\.)\d{1,2}(\-|\/|\.)\d{1,2}$");
private static Regex RegMobile = new Regex(@"^1(3|4|5|7|8|9)\d{9}$");
private static Regex RegUserName = new Regex("^([\u4E00-\u9FA5a-zA-Z0-9_-]){2,16}$");
private static Regex RegIP = new Regex(@"^((2[0-4]\d|25[0-5]|[01]?\d\d?)\.){3}(2[0-4]\d|25[0-5]|[01]?\d\d?)$");
private static Regex RegIdCard = new Regex(@"^(11|12|13|14|15|21|22|23|31|32|33|34|35|36|37|41|42|43|44|45|46|50|51|52|53|54|61|62|63|64|65|71|81|82|91)(\d{13}|\d{15}[\dxX])$"); /// <summary>
/// 自定义验证
/// </summary>
public static bool IsMatch(string value, string partten)
{
if (!string.IsNullOrEmpty(value))
{
Regex reg = new Regex(partten);
Match m = reg.Match(value);
return m.Success;
}
else
{
return false;
}
} /// <summary>
/// 是否数字
/// </summary>
public static bool IsNumeric(string value)
{
if (!string.IsNullOrEmpty(value))
{
Match m = RegNumeric.Match(value);
return m.Success;
}
else
{
return false;
}
} /// <summary>
/// 是否数字 带正负号
/// </summary>
public static bool IsNumberSign(string value)
{
if (!string.IsNullOrEmpty(value))
{
Match m = RegNumericSign.Match(value);
return m.Success;
}
else
{
return false;
}
} /// <summary>
/// 是否是小数
/// </summary>
public static bool IsDecimal(string value)
{
if (!string.IsNullOrEmpty(value))
{
Match m = RegDecimal.Match(value);
return m.Success;
}
else
{
return false;
}
} /// <summary>
/// 是否是小数 带正负号
/// </summary>
public static bool IsDecimalSign(string value)
{
if (!string.IsNullOrEmpty(value))
{
Match m = RegDecimalSign.Match(value);
return m.Success;
}
else
{
return false;
}
} /// <summary>
/// 是否中文
/// </summary>
public static bool IsHasCHZN(string value)
{
if (!string.IsNullOrEmpty(value))
{
Match m = RegChina.Match(value);
return m.Success;
}
else
{
return false;
}
} /// <summary>
/// 是否是Email
/// </summary>
public static bool IsEmail(string value)
{
if (!string.IsNullOrEmpty(value))
{
Match m = RegEmail.Match(value);
return m.Success;
}
else
{
return false;
}
} /// <summary>
/// 是否是邮政编码
/// </summary>
public static bool IsPostcode(string value)
{
if (!string.IsNullOrEmpty(value))
{
Match m = RegPostcode.Match(value);
return m.Success;
}
else
{
return false;
}
} /// <summary>
/// 是否是URL
/// </summary>
public static bool IsUrl(string value)
{
if (!string.IsNullOrEmpty(value))
{
Match m = RegUrl.Match(value);
return m.Success;
}
else
{
return false;
}
} /// <summary>
/// 是否日期
/// </summary> /// <returns></returns>
public static bool IsDate(string value)
{
if (!string.IsNullOrEmpty(value))
{
Match m = RegDate.Match(value);
return m.Success;
}
else
{
return false;
}
} /// <summary>
/// 是否日期时间
/// </summary>
public static bool IsDatetime(string value)
{
DateTime time;
return DateTime.TryParse(value, out time);
} /// <summary>
/// 是否为合法的电话号码
/// </summary>
public static bool IsTel(string value)
{
if (!string.IsNullOrEmpty(value))
{
Match m = RegTEL.Match(value);
return m.Success;
}
else
{
return false;
}
} /// <summary>
/// 是否为合法的手机号码
/// </summary>
public static bool IsMobile(string value)
{
if (!string.IsNullOrEmpty(value))
{
Match m = RegMobile.Match(value);
return m.Success;
}
else
{
return false;
}
} /// <summary>
/// 是否为合法的用户名 限中文/英文/数字/减号/下划线
/// </summary>
public static bool IsUserName(string value)
{
if (!string.IsNullOrEmpty(value))
{
Match m = RegUserName.Match(value);
return m.Success;
}
else
{
return false;
}
} /// <summary>
/// 是否为合法的IPv4地址
/// </summary>
public static bool IsIPAddress(string value)
{
if (!string.IsNullOrEmpty(value))
{
Match m = RegIP.Match(value);
return m.Success;
}
else
{
return false;
}
} /// <summary>
/// 判断对象是否为空
/// </summary>
public static bool IsNullOrEmpty(object value)
{
if (value == null)
{
return true;
}
if (value.GetType() == typeof(String))
{
if (string.IsNullOrEmpty(value.ToString().Trim()))
{
return true;
}
}
if (value.GetType() == typeof(DBNull))
{
return true;
} //不为空
return false;
} /// <summary>
/// 是否合法身份证号
/// </summary>
public static bool IsIdCard(string value)
{
if (!string.IsNullOrEmpty(value))
{
Match m = RegIdCard.Match(value);
return m.Success;
}
else
{
return false;
}
}
}
}