Common层通用代码之服务器端正则表达式验证
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using System;
using System.Collections.Generic;
using System.Text;
using System.Text.RegularExpressions;
using System.Web;
using System.Web.UI.WebControls;
namespace Common
...{
public class PageValidate
...{
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]+$");
private static Regex RegDecimalSign = new Regex("^[+-]?[0-9]+[.]?[0-9]+$"); //等价于^[+-]?/d+[.]?/d+$
private static Regex RegEmail = new Regex(@"^[/w-]+@[/w-]+/.(com|net|org|edu|mil|tv|biz|info)$");//w 英文字母或数字的字符串,和 [a-zA-Z0-9] 语法一样
private static Regex RegCHZN = new Regex(@"[/u4e00-/u9fa5]");
private static Regex RegDate = new Regex(@"^((((1[6-9]|[2-9]/d)/d{2})-(0?[13578]|1[02])-(0?[1-9]|[12]/d|3[01]))|(((1[6-9]|[2-9]/d)/d{2})-(0?[13456789]|1[012])-(0?[1-9]|[12]/d|30))|(((1[6-9]|[2-9]/d)/d{2})-0?2-(0?[1-9]|1/d|2[0-8]))|(((1[6-9]|[2-9]/d)(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00))-0?2-29-))$");
private static Regex RegDateTime = new Regex(@"^((((1[6-9]|[2-9]/d)/d{2})-(0?[13578]|1[02])-(0?[1-9]|[12]/d|3[01]))|(((1[6-9]|[2-9]/d)/d{2})-(0?[13456789]|1[012])-(0?[1-9]|[12]/d|30))|(((1[6-9]|[2-9]/d)/d{2})-0?2-(0?[1-9]|1/d|2[0-8]))|(((1[6-9]|[2-9]/d)(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00))-0?2-29-)) (20|21|22|23|[0-1]?/d):[0-5]?/d:[0-5]?/d$");
public PageValidate()
...{
}
日期格式检查#region 日期格式检查
/**//// <summary>
/// 是否是日期格式
/// </summary>
/// <param name="inputData">输入字符串</param>
/// <returns></returns>
public static bool IsDate(string inputData)
...{
Match m = RegDate.Match(inputData);
return m.Success;
}
/**//// <summary>
/// 是否是带时间的日期格式
/// </summary>
/// <param name="inputData">输入字符串</param>
/// <returns></returns>
public static bool IsDateTime(string inputData)
...{
Match m = RegDateTime.Match(inputData);
return m.Success;
}
#endregion
数字字符串检查#region 数字字符串检查
/**//// <summary>
/// 检查Request查询字符串的键值,是否是数字,最大长度限制
/// </summary>
/// <param name="req">Request</param>
/// <param name="inputKey">Request的键值</param>
/// <param name="maxLen">最大长度</param>
/// <returns>返回Request查询字符串</returns>
public static string FetchInputDigit(HttpRequest req, string inputKey, int maxLen)
...{
string retVal = string.Empty;
if (inputKey != null && inputKey != string.Empty)
...{
retVal = req.QueryString[inputKey];
if (null == retVal)
retVal = req.Form[inputKey];
if (null != retVal)
...{
retVal = SqlText(retVal, maxLen);
if (!IsNumber(retVal))
retVal = string.Empty;
}
}
if (retVal == null)
retVal = string.Empty;
return retVal;
}
/**//// <summary>
/// 是否数字字符串
/// </summary>
/// <param name="inputData">输入字符串</param>
/// <returns></returns>
public static bool IsNumber(string inputData)
...{
Match m = RegNumber.Match(inputData);
return m.Success;
}
/**//// <summary>
/// 是否数字字符串 可带正负号
/// </summary>
/// <param name="inputData">输入字符串</param>
/// <returns></returns>
public static bool IsNumberSign(string inputData)
...{
Match m = RegNumberSign.Match(inputData);
return m.Success;
}
/**//// <summary>
/// 是否是浮点数
/// </summary>
/// <param name="inputData">输入字符串</param>
/// <returns></returns>
public static bool IsDecimal(string inputData)
...{
Match m = RegDecimal.Match(inputData);
return m.Success;
}
/**//// <summary>
/// 是否是浮点数 可带正负号
/// </summary>
/// <param name="inputData">输入字符串</param>
/// <returns></returns>
public static bool IsDecimalSign(string inputData)
...{
Match m = RegDecimalSign.Match(inputData);
return m.Success;
}
#endregion
中文检测#region 中文检测
/**//// <summary>
/// 检测是否有中文字符
/// </summary>
/// <param name="inputData"></param>
/// <returns></returns>
public static bool IsHasCHZN(string inputData)
...{
Match m = RegCHZN.Match(inputData);
return m.Success;
}
#endregion
邮件地址#region 邮件地址
/**//// <summary>
/// 是否是浮点数 可带正负号
/// </summary>
/// <param name="inputData">输入字符串</param>
/// <returns></returns>
public static bool IsEmail(string inputData)
...{
Match m = RegEmail.Match(inputData);
return m.Success;
}
#endregion
其他#region 其他
/**//// <summary>
/// 检查字符串最大长度,返回指定长度的串
/// </summary>
/// <param name="sqlInput">输入字符串</param>
/// <param name="maxLength">最大长度</param>
/// <returns></returns>
public static string SqlText(string sqlInput, int maxLength)
...{
if (sqlInput != null && sqlInput != string.Empty)
...{
sqlInput = sqlInput.Trim();
if (sqlInput.Length > maxLength)//按最大长度截取字符串
sqlInput = sqlInput.Substring(0, maxLength);
}
return sqlInput;
}
/**//// <summary>
/// 字符串编码
/// </summary>
/// <param name="inputData"></param>
/// <returns></returns>
public static string HtmlEncode(string inputData)
...{
return HttpUtility.HtmlEncode(inputData);
}
/**//// <summary>
/// 设置Label显示Encode的字符串
/// </summary>
/// <param name="lbl"></param>
/// <param name="txtInput"></param>
public static void SetLabel(Label lbl, string txtInput)
...{
lbl.Text = HtmlEncode(txtInput);
}
public static void SetLabel(Label lbl, object inputObj)
...{
SetLabel(lbl, inputObj.ToString());
}
#endregion
}
}
using System.Collections.Generic;
using System.Text;
using System.Text.RegularExpressions;
using System.Web;
using System.Web.UI.WebControls;
namespace Common
...{
public class PageValidate
...{
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]+$"); //等价于^[+-]?/d+[.]?/d+$
private static Regex RegEmail = new Regex(@"^[/w-]+@[/w-]+/.(com|net|org|edu|mil|tv|biz|info)$");//w 英文字母或数字的字符串,和 [a-zA-Z0-9] 语法一样
private static Regex RegCHZN = new Regex(@"[/u4e00-/u9fa5]");
private static Regex RegDate = new Regex(@"^((((1[6-9]|[2-9]/d)/d{2})-(0?[13578]|1[02])-(0?[1-9]|[12]/d|3[01]))|(((1[6-9]|[2-9]/d)/d{2})-(0?[13456789]|1[012])-(0?[1-9]|[12]/d|30))|(((1[6-9]|[2-9]/d)/d{2})-0?2-(0?[1-9]|1/d|2[0-8]))|(((1[6-9]|[2-9]/d)(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00))-0?2-29-))$");
private static Regex RegDateTime = new Regex(@"^((((1[6-9]|[2-9]/d)/d{2})-(0?[13578]|1[02])-(0?[1-9]|[12]/d|3[01]))|(((1[6-9]|[2-9]/d)/d{2})-(0?[13456789]|1[012])-(0?[1-9]|[12]/d|30))|(((1[6-9]|[2-9]/d)/d{2})-0?2-(0?[1-9]|1/d|2[0-8]))|(((1[6-9]|[2-9]/d)(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00))-0?2-29-)) (20|21|22|23|[0-1]?/d):[0-5]?/d:[0-5]?/d$");
public PageValidate()
...{
}
日期格式检查#region 日期格式检查
/**//// <summary>
/// 是否是日期格式
/// </summary>
/// <param name="inputData">输入字符串</param>
/// <returns></returns>
public static bool IsDate(string inputData)
...{
Match m = RegDate.Match(inputData);
return m.Success;
}
/**//// <summary>
/// 是否是带时间的日期格式
/// </summary>
/// <param name="inputData">输入字符串</param>
/// <returns></returns>
public static bool IsDateTime(string inputData)
...{
Match m = RegDateTime.Match(inputData);
return m.Success;
}
#endregion
数字字符串检查#region 数字字符串检查
/**//// <summary>
/// 检查Request查询字符串的键值,是否是数字,最大长度限制
/// </summary>
/// <param name="req">Request</param>
/// <param name="inputKey">Request的键值</param>
/// <param name="maxLen">最大长度</param>
/// <returns>返回Request查询字符串</returns>
public static string FetchInputDigit(HttpRequest req, string inputKey, int maxLen)
...{
string retVal = string.Empty;
if (inputKey != null && inputKey != string.Empty)
...{
retVal = req.QueryString[inputKey];
if (null == retVal)
retVal = req.Form[inputKey];
if (null != retVal)
...{
retVal = SqlText(retVal, maxLen);
if (!IsNumber(retVal))
retVal = string.Empty;
}
}
if (retVal == null)
retVal = string.Empty;
return retVal;
}
/**//// <summary>
/// 是否数字字符串
/// </summary>
/// <param name="inputData">输入字符串</param>
/// <returns></returns>
public static bool IsNumber(string inputData)
...{
Match m = RegNumber.Match(inputData);
return m.Success;
}
/**//// <summary>
/// 是否数字字符串 可带正负号
/// </summary>
/// <param name="inputData">输入字符串</param>
/// <returns></returns>
public static bool IsNumberSign(string inputData)
...{
Match m = RegNumberSign.Match(inputData);
return m.Success;
}
/**//// <summary>
/// 是否是浮点数
/// </summary>
/// <param name="inputData">输入字符串</param>
/// <returns></returns>
public static bool IsDecimal(string inputData)
...{
Match m = RegDecimal.Match(inputData);
return m.Success;
}
/**//// <summary>
/// 是否是浮点数 可带正负号
/// </summary>
/// <param name="inputData">输入字符串</param>
/// <returns></returns>
public static bool IsDecimalSign(string inputData)
...{
Match m = RegDecimalSign.Match(inputData);
return m.Success;
}
#endregion
中文检测#region 中文检测
/**//// <summary>
/// 检测是否有中文字符
/// </summary>
/// <param name="inputData"></param>
/// <returns></returns>
public static bool IsHasCHZN(string inputData)
...{
Match m = RegCHZN.Match(inputData);
return m.Success;
}
#endregion
邮件地址#region 邮件地址
/**//// <summary>
/// 是否是浮点数 可带正负号
/// </summary>
/// <param name="inputData">输入字符串</param>
/// <returns></returns>
public static bool IsEmail(string inputData)
...{
Match m = RegEmail.Match(inputData);
return m.Success;
}
#endregion
其他#region 其他
/**//// <summary>
/// 检查字符串最大长度,返回指定长度的串
/// </summary>
/// <param name="sqlInput">输入字符串</param>
/// <param name="maxLength">最大长度</param>
/// <returns></returns>
public static string SqlText(string sqlInput, int maxLength)
...{
if (sqlInput != null && sqlInput != string.Empty)
...{
sqlInput = sqlInput.Trim();
if (sqlInput.Length > maxLength)//按最大长度截取字符串
sqlInput = sqlInput.Substring(0, maxLength);
}
return sqlInput;
}
/**//// <summary>
/// 字符串编码
/// </summary>
/// <param name="inputData"></param>
/// <returns></returns>
public static string HtmlEncode(string inputData)
...{
return HttpUtility.HtmlEncode(inputData);
}
/**//// <summary>
/// 设置Label显示Encode的字符串
/// </summary>
/// <param name="lbl"></param>
/// <param name="txtInput"></param>
public static void SetLabel(Label lbl, string txtInput)
...{
lbl.Text = HtmlEncode(txtInput);
}
public static void SetLabel(Label lbl, object inputObj)
...{
SetLabel(lbl, inputObj.ToString());
}
#endregion
}
}
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