数据验证类PageValidate[正则表达式]
using System.Collections.Generic;
using System.Text;
using System.Text.RegularExpressions;
using System.Web;
using System.Web.UI.WebControls;
namespace ShangGu.Utility
{
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)$");//w 英文字母或数字的字符串，和 [a-zA-Z0-9] 语法一样
private static Regex RegCHZN = new Regex("[\u4e00-\u9fa5]");
#region 数字字符串检查
/// <summary>
/// 检查Request查询字符串的键值，是否是数字，最大长度限制
/// </summary>
/// <param name="req">Request</param>
/// <param name="inputKey">Request的键值</param>
/// <param name="maxLen">最大长度</param>
/// <returns>返回Request查询字符串</returns>
public static string FetchInputDigit(HttpRequest req, string inputKey, int maxLen)
{
string retVal = string.Empty;
if (inputKey != null && inputKey != string.Empty)
{
retVal = req.QueryString[inputKey];
if (null == retVal)
retVal = req.Form[inputKey];
if (null != retVal)
{
retVal = SqlText(retVal, maxLen);
if (!IsNumber(retVal))
retVal = string.Empty;
}
}
if (retVal == null)
retVal = string.Empty;
return retVal;
}
/// <summary>
/// 是否数字字符串
/// </summary>
/// <param name="inputData">输入字符串</param>
/// <returns></returns>
public static bool IsNumber(string inputData)
{
Match m = RegNumber.Match(inputData);
return m.Success;
}
/// <summary>
/// 是否数字字符串 可带正负号
/// </summary>
/// <param name="inputData">输入字符串</param>
/// <returns></returns>
public static bool IsNumberSign(string inputData)
{
Match m = RegNumberSign.Match(inputData);
return m.Success;
}
/// <summary>
/// 是否是浮点数
/// </summary>
/// <param name="inputData">输入字符串</param>
/// <returns></returns>
public static bool IsDecimal(string inputData)
{
Match m = RegDecimal.Match(inputData);
return m.Success;
}
/// <summary>
/// 是否是浮点数 可带正负号
/// </summary>
/// <param name="inputData">输入字符串</param>
/// <returns></returns>
public static bool IsDecimalSign(string inputData)
{
Match m = RegDecimalSign.Match(inputData);
return m.Success;
}
#endregion
#region 常用项验证
/// <summary>
/// 身份证验证
/// </summary>
/// <param name="personID"></param>
/// <returns></returns>
public static bool PersonID(string personID)
{
string idval = @"^(\d{15})(\d{2}[Xx0-9])?$";
return Regex.IsMatch(personID, idval);
}
/// <summary>
/// 数字验证
/// </summary>
/// <param name="num"></param>
/// <returns></returns>
public static bool Number(string num)
{
string numval = @"^[0-9]*[1-9][0-9]*$";
return Regex.IsMatch(num, numval);
}
/// <summary>
/// 电话验证
/// </summary>
/// <param name="tel"></param>
/// <returns></returns>
public static bool Telphone(string tel)
{
string telaval = @"^0[1-9]\d{1,2}-[1-9]\d{6,7}$";
string telval = @"^[1-9]\d{6,7}$";
string modval = @"^(159|156|153|130|131|132|133|134|135|136|137|138|139)\d{8}$";
return Regex.IsMatch(tel, telval) || Regex.IsMatch(tel, modval) || Regex.IsMatch(tel, telaval);
}
/// <summary>
/// 验证日期格式(格式为YYYY-MM-dd)
/// </summary>
/// <param name="datetime"></param>
/// <returns></returns>
public static bool DateTimeValidate(string datetime)
{
string dateval =
@"(([0-9]{3}[1-9]|[0-9]{2}[1-9][0-9]{1}|[0-9]{1}[1-9][0-9]{2}|[1-9][0-9]{3})-(((0[13578]|1[02])-(0[1-9]|[12][0-9]|3[01]))|((0[469]|11)-(0[1-9]|[12][0-9]|30))|(02-(0[1-9]|[1][0-9]|2[0-8]))))|((([0-9]{2})(0[48]|[2468][048]|[13579][26])|((0[48]|[2468][048]|[3579][26])00))-02-29)";
return Regex.IsMatch(datetime, dateval);
}
/// <summary>
/// 验证日期格式（格式为YYYY/MM/DD）
/// </summary>
/// <param name="datetime"></param>
/// <returns></returns>
public static bool DateTime_Validate(string datetime)
{
string dateval = "(((0[1-9]|[12][0-9]|3[01])/((0[13578]|1[02]))|((0[1-9]|[12][0-9]|30)/(0[469]|11))|(0[1-9]|[1][0-9]|2[0-8])/(02))/([0-9]{3}[1-9]|[0-9]{2}[1-9][0-9]{1}|[0-9]{1}[1-9][0-9]{2}|[1-9][0-9]{3}))|(29/02/(([0-9]{2})(0[48]|[2468][048]|[13579][26])|((0[48]|[2468][048]|[3579][26])00)))";
return Regex.IsMatch(datetime,dateval);
}
/// <summary>
/// Email验证
/// </summary>
/// <param name="email"></param>
/// <returns></returns>
public static bool EmailValidate(string email)
{
string emailval = @"^([\w-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([\w-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$";
return Regex.IsMatch(email, emailval);
}
/// <summary>
/// 邮政编码验证
/// </summary>
/// <param name="PostCode"></param>
/// <returns></returns>
public static bool PostCodeValidate(string PostCode)
{
string postval = @"^[1-9]\d{5}$";
return Regex.IsMatch(PostCode, postval);
}
/// <summary>
/// 金额验证
/// </summary>
/// <param name="moneycheck"></param>
/// <returns></returns>
public static bool Money(string moneycheck)
{
string monval = @"^([1-9]\d+|[0-9])(\.\d\d?)*$";
return Regex.IsMatch(moneycheck, monval);
}
#endregion
#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
#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
#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
}
}
