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using System; |
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using System.Collections.Generic; |
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using System.Linq; |
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using System.Text; |
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using System.Text.RegularExpressions; |
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namespace YX.Common.DoNetCode |
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{ |
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/// <summary> |
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/// 各种输入格式验证辅助类 |
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/// </summary> |
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public class ValidateUtil |
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{ |
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private static Regex RegNumber = new Regex("^[0-9]+$"); |
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private static Regex RegNumberSign = new Regex("^[+-]?[0-9]+$"); |
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private static Regex RegDecimal = new Regex("^[0-9]+[.]?[0-9]+$"); |
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private static Regex RegDecimalSign = new Regex("^[+-]?[0-9]+[.]?[0-9]+$"); //等价于^[+-]?\d+[.]?\d+$ |
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private static Regex RegEmail = new Regex(@"^[\w-]+(\.[\w-]+)*@[\w-]+(\.[\w-]+)+$");//w 英文字母或数字的字符串,和 [a-zA-Z0-9] 语法一样 |
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private static Regex RegCHZN = new Regex("[\u4e00-\u9fa5]"); |
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#region 用户名密码格式 |
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/// <summary> |
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/// 返回字符串真实长度, 1个汉字长度为2 |
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/// </summary> |
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/// <returns>字符长度</returns> |
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public static int GetStringLength(string stringValue) |
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{ |
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return Encoding.Default.GetBytes(stringValue).Length; |
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} |
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/// <summary> |
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/// 检测用户名格式是否有效 |
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/// </summary> |
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/// <param name="userName"></param> |
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/// <returns></returns> |
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public static bool IsValidUserName(string userName) |
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{ |
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int userNameLength = GetStringLength(userName); |
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if (userNameLength >= 4 && userNameLength <= 20 && Regex.IsMatch(userName, @"^([\u4e00-\u9fa5A-Za-z_0-9]{0,})$")) |
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{ // 判断用户名的长度(4-20个字符)及内容(只能是汉字、字母、下划线、数字)是否合法 |
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return true; |
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} |
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else |
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{ |
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return false; |
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} |
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} |
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/// <summary> |
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/// 密码有效性 |
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/// </summary> |
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/// <param name="password"></param> |
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/// <returns></returns> |
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public static bool IsValidPassword(string password) |
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{ |
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return Regex.IsMatch(password, @"^[A-Za-z_0-9]{6,16}$"); |
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} |
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#endregion |
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#region 数字字符串检查 |
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/// <summary> |
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/// int有效性 |
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/// </summary> |
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/// <param name="val"></param> |
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/// <returns></returns> |
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static public bool IsValidInt(string val) |
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{ |
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return Regex.IsMatch(val, @"^[1-9]\d*\.?[0]*$"); |
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} |
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/// <summary> |
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/// 是否数字字符串 |
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/// </summary> |
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/// <param name="inputData">输入字符串</param> |
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/// <returns></returns> |
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public static bool IsNumber(string inputData) |
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{ |
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Match m = RegNumber.Match(inputData); |
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return m.Success; |
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} |
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/// <summary> |
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/// 是否数字字符串 可带正负号 |
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/// </summary> |
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/// <param name="inputData">输入字符串</param> |
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/// <returns></returns> |
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public static bool IsNumberSign(string inputData) |
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{ |
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Match m = RegNumberSign.Match(inputData); |
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return m.Success; |
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} |
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/// <summary> |
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/// 是否是浮点数 |
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/// </summary> |
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/// <param name="inputData">输入字符串</param> |
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/// <returns></returns> |
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public static bool IsDecimal(string inputData) |
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{ |
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Match m = RegDecimal.Match(inputData); |
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return m.Success; |
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} |
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/// <summary> |
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/// 是否是浮点数 可带正负号 |
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/// </summary> |
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/// <param name="inputData">输入字符串</param> |
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/// <returns></returns> |
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public static bool IsDecimalSign(string inputData) |
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{ |
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Match m = RegDecimalSign.Match(inputData); |
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return m.Success; |
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} |
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#endregion |
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#region 中文检测 |
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/// <summary> |
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/// 检测是否有中文字符 |
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/// </summary> |
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/// <param name="inputData"></param> |
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/// <returns></returns> |
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public static bool IsHasCHZN(string inputData) |
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{ |
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Match m = RegCHZN.Match(inputData); |
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return m.Success; |
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} |
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/// <summary> |
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/// 检测含有中文字符串的实际长度 |
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/// </summary> |
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/// <param name="str">字符串</param> |
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public static int GetCHZNLength(string inputData) |
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{ |
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System.Text.ASCIIEncoding n = new System.Text.ASCIIEncoding(); |
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byte[] bytes = n.GetBytes(inputData); |
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int length = 0; // l 为字符串之实际长度 |
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for (int i = 0; i <= bytes.Length - 1; i++) |
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{ |
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if (bytes[i] == 63) //判断是否为汉字或全脚符号 |
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{ |
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length++; |
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} |
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length++; |
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} |
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return length; |
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} |
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#endregion |
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#region 常用格式 |
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/// <summary> |
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/// 验证身份证是否合法 15 和 18位两种 |
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/// </summary> |
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/// <param name="idCard">要验证的身份证</param> |
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public static bool IsIdCard(string idCard) |
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{ |
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if (string.IsNullOrEmpty(idCard)) |
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{ |
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return false; |
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} |
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if (idCard.Length == 15) |
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{ |
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return Regex.IsMatch(idCard, @"^[1-9]\d{7}((0\d)|(1[0-2]))(([0|1|2]\d)|3[0-1])\d{3}$"); |
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} |
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else if (idCard.Length == 18) |
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{ |
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return Regex.IsMatch(idCard, @"^[1-9]\d{5}[1-9]\d{3}((0\d)|(1[0-2]))(([0|1|2]\d)|3[0-1])((\d{4})|\d{3}[A-Z])$", RegexOptions.IgnoreCase); |
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} |
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else |
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{ |
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return false; |
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} |
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} |
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/// <summary> |
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/// 是否是邮件地址 |
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/// </summary> |
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/// <param name="inputData">输入字符串</param> |
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/// <returns></returns> |
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public static bool IsEmail(string inputData) |
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{ |
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Match m = RegEmail.Match(inputData); |
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return m.Success; |
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} |
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/// <summary> |
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/// 邮编有效性 |
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/// </summary> |
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/// <param name="zip"></param> |
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/// <returns></returns> |
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public static bool IsValidZip(string zip) |
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{ |
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Regex rx = new Regex(@"^\d{6}$", RegexOptions.None); |
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Match m = rx.Match(zip); |
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return m.Success; |
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} |
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/// <summary> |
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/// 固定电话有效性 |
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/// </summary> |
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/// <param name="phone"></param> |
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/// <returns></returns> |
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public static bool IsValidPhone(string phone) |
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{ |
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Regex rx = new Regex(@"^(\(\d{3,4}\)|\d{3,4}-)?\d{7,8}$", RegexOptions.None); |
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Match m = rx.Match(phone); |
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return m.Success; |
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} |
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/// <summary> |
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/// 手机有效性 |
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/// </summary> |
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/// <param name="strMobile"></param> |
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/// <returns></returns> |
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public static bool IsValidMobile(string mobile) |
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{ |
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Regex rx = new Regex(@"^(13|15)\d{9}$", RegexOptions.None); |
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Match m = rx.Match(mobile); |
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return m.Success; |
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} |
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/// <summary> |
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/// 电话有效性(固话和手机 ) |
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/// </summary> |
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/// <param name="strVla"></param> |
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/// <returns></returns> |
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public static bool IsValidPhoneAndMobile(string number) |
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{ |
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Regex rx = new Regex(@"^(\(\d{3,4}\)|\d{3,4}-)?\d{7,8}$|^(13|15)\d{9}$", RegexOptions.None); |
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Match m = rx.Match(number); |
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return m.Success; |
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} |
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/// <summary> |
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/// Url有效性 |
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/// </summary> |
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/// <param name="url"></param> |
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/// <returns></returns> |
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static public bool IsValidURL(string url) |
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{ |
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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]$"); |
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} |
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/// <summary> |
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/// IP有效性 |
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/// </summary> |
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/// <param name="ip"></param> |
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/// <returns></returns> |
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public static bool IsValidIP(string ip) |
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{ |
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return Regex.IsMatch(ip, @"^((2[0-4]\d|25[0-5]|[01]?\d\d?)\.){3}(2[0-4]\d|25[0-5]|[01]?\d\d?)$"); |
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} |
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/// <summary> |
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/// domain 有效性 |
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/// </summary> |
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/// <param name="host">域名</param> |
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/// <returns></returns> |
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public static bool IsValidDomain(string host) |
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{ |
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Regex r = new Regex(@"^\d+$"); |
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if (host.IndexOf(".") == -1) |
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{ |
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return false; |
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} |
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return r.IsMatch(host.Replace(".", string.Empty)) ? false : true; |
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} |
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/// <summary> |
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/// 判断是否为base64字符串 |
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/// </summary> |
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/// <param name="str"></param> |
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/// <returns></returns> |
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public static bool IsBase64String(string str) |
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{ |
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return Regex.IsMatch(str, @"[A-Za-z0-9\+\/\=]"); |
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} |
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/// <summary> |
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/// 验证字符串是否是GUID |
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/// </summary> |
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/// <param name="guid">字符串</param> |
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/// <returns></returns> |
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public static bool IsGuid(string guid) |
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{ |
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if (string.IsNullOrEmpty(guid)) |
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return false; |
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return Regex.IsMatch(guid, "[A-F0-9]{8}(-[A-F0-9]{4}){3}-[A-F0-9]{12}|[A-F0-9]{32}", RegexOptions.IgnoreCase); |
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} |
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#endregion |
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#region 日期检查 |
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/// <summary> |
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/// 判断输入的字符是否为日期 |
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/// </summary> |
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/// <param name="strValue"></param> |
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/// <returns></returns> |
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public static bool IsDate(string strValue) |
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{ |
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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]))))))"); |
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} |
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/// <summary> |
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/// 判断输入的字符是否为日期,如2004-07-12 14:25|||1900-01-01 00:00|||9999-12-31 23:59 |
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/// </summary> |
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/// <param name="strValue"></param> |
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/// <returns></returns> |
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public static bool IsDateHourMinute(string strValue) |
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{ |
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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}$"); |
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} |
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#endregion |
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#region 其他 |
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/// <summary> |
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/// 检查字符串最大长度,返回指定长度的串 |
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/// </summary> |
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/// <param name="sqlInput">输入字符串</param> |
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/// <param name="maxLength">最大长度</param> |
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/// <returns></returns> |
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public static string CheckMathLength(string inputData, int maxLength) |
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{ |
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if (inputData != null && inputData != string.Empty) |
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{ |
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inputData = inputData.Trim(); |
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if (inputData.Length > maxLength)//按最大长度截取字符串 |
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{ |
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inputData = inputData.Substring(0, maxLength); |
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} |
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} |
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return inputData; |
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} |
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|
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/// <summary> |
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/// 转换成 HTML code |
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/// </summary> |
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/// <param name="str">string</param> |
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/// <returns>string</returns> |
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public static string Encode(string str) |
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{ |
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str = str.Replace("&", "&"); |
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str = str.Replace("'", "''"); |
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str = str.Replace("\"", """); |
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str = str.Replace(" ", " "); |
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str = str.Replace("<", "<"); |
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str = str.Replace(">", ">"); |
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str = str.Replace("\n", "<br>"); |
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return str; |
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} |
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/// <summary> |
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///解析html成 普通文本 |
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/// </summary> |
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/// <param name="str">string</param> |
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/// <returns>string</returns> |
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public static string Decode(string str) |
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{ |
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str = str.Replace("<br>", "\n"); |
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str = str.Replace(">", ">"); |
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str = str.Replace("<", "<"); |
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str = str.Replace(" ", " "); |
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str = str.Replace(""", "\""); |
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return str; |
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} |
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#endregion |
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} |
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} |