using System;
using System.Text.RegularExpressions;
namespace SG_VQCDataCollection
{
/// <summary>
///
通过Framwork类库中的Regex类实现了一些特殊功能数据检查
/// </summary>
public class
MetarnetRegex
{
private static MetarnetRegex instance = null;
public
static MetarnetRegex GetInstance()
{
if
(MetarnetRegex.instance == null)
{
MetarnetRegex.instance = new MetarnetRegex();
}
return MetarnetRegex.instance;
}
private
MetarnetRegex()
{
}
/// <summary>
/// 判断输入的字符串只包含汉字
///
</summary>
/// <param name="input"></param>
/// <returns></returns>
public static bool
IsChineseCh(string input)
{
//Regex regex = new
Regex("^[\一-\龥]+$");
//改了一下
Regex regex = new Regex("^[\u4e00-\u9fa5]+$");
return regex.IsMatch(input);
}
/// <summary>
///
匹配3位或4位区号的电话号码,其中区号可以用小括号括起来,
/// 也可以不用,区号与本地号间可以用连字号或空格间隔,
///
也可以没有间隔
/// \(0\d{2}\)[- ]?\d{8}|0\d{2}[- ]?\d{8}|\(0\d{3}\)[-
]?\d{7}|0\d{3}[- ]?\d{7}
/// </summary>
///
<param name="input"></param>
///
<returns></returns>
public static bool IsPhone(string
input)
{
string pattern = "^\\(0\\d{2}\\)[-
]?\\d{8}$|^0\\d{2}[- ]?\\d{8}$|^\\(0\\d{3}\\)[- ]?\\d{7}$|^0\\d{3}[-
]?\\d{7}$";
Regex regex = new Regex(pattern);
return regex.IsMatch(input);
}
/// <summary>
/// 判断输入的字符串是否是一个合法的手机号
///
</summary>
/// <param name="input"></param>
/// <returns></returns>
public static bool
IsMobilePhone(string input)
{
Regex regex = new
Regex("^13\\d{9}$");
return regex.IsMatch(input);
}
/// <summary>
/// 判断输入的字符串只包含数字
///
可以匹配整数和浮点数
/// ^-?\d+$|^(-?\d+)(\.\d+)?$
/// </summary>
/// <param name="input"></param>
///
<returns></returns>
public static bool IsNumber(string
input)
{
string pattern =
"^-?\\d+$|^(-?\\d+)(\\.\\d+)?$";
Regex regex = new
Regex(pattern);
return regex.IsMatch(input);
}
/// <summary>
/// 匹配非负整数
///
///
</summary>
/// <param name="input"></param>
/// <returns></returns>
public static bool
IsNotNagtive(string input)
{
Regex regex = new
Regex(@"^\d+$");
return regex.IsMatch(input);
}
/// <summary>
/// 匹配正整数
/// </summary>
/// <param name="input"></param>
///
<returns></returns>
public static bool IsUint(string
input)
{
Regex regex = new
Regex("^[0-9]*[1-9][0-9]*$");
return regex.IsMatch(input);
}
/// <summary>
/// 判断输入的字符串字包含英文字母
///
</summary>
/// <param name="input"></param>
/// <returns></returns>
public static bool
IsEnglisCh(string input)
{
Regex regex = new
Regex("^[A-Za-z]+$");
return regex.IsMatch(input);
}
/// <summary>
///
判断输入的字符串是否是一个合法的Email地址
/// </summary>
/// <param
name="input"></param>
///
<returns></returns>
public static bool IsEmail(string
input)
{
string pattern =
@"^([\w-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([\w-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$";
Regex regex = new Regex(pattern);
return
regex.IsMatch(input);
}
/// <summary>
/// 判断输入的字符串是否只包含数字和英文字母
///
</summary>
/// <param name="input"></param>
/// <returns></returns>
public static bool
IsNumAndEnCh(string input)
{
string pattern =
@"^[A-Za-z0-9]+$";
Regex regex = new Regex(pattern);
return regex.IsMatch(input);
}
/// <summary>
/// 判断输入的字符串是否是一个超链接
///
</summary>
/// <param name="input"></param>
/// <returns></returns>
public static bool
IsURL(string input)
{
//string pattern =
@"http://([\w-]+\.)+[\w-]+(/[\w- ./?%&=]*)?";
string pattern
= @"^[a-zA-Z]+://(\w+(-\w+)*)(\.(\w+(-\w+)*))*(\?\S*)?$";
Regex
regex = new Regex(pattern);
return regex.IsMatch(input);
}
/// <summary>
/// 判断输入的字符串是否是表示一个IP地址
///
</summary>
/// <param
name="input">被比较的字符串</param>
///
<returns>是IP地址则为True</returns>
public static bool
IsIPv4(string input)
{
string[] IPs = input.Split(‘.‘);
Regex regex =
new Regex(@"^\d+$");
for (int i = 0; i < IPs.Length; i++)
{
if (!regex.IsMatch(IPs[i]))
{
return false;
}
if (Convert.ToUInt16(IPs[i]) > 255)
{
return false;
}
}
return true;
}
/// <summary>
///
计算字符串的字符长度,一个汉字字符将被计算为两个字符
/// </summary>
/// <param
name="input">需要计算的字符串</param>
///
<returns>返回字符串的长度</returns>
public static int
GetCount(string input)
{
return Regex.Replace(input,
@"[\一-\龥/g]", "aa").Length;
}
/// <summary>
///
调用Regex中IsMatch函数实现一般的正则表达式匹配
/// </summary>
/// <param
name="pattern">要匹配的正则表达式模式。</param>
/// <param
name="input">要搜索匹配项的字符串</param>
///
<returns>如果正则表达式找到匹配项,则为 true;否则,为 false。</returns>
public static bool IsMatch(string pattern, string input)
{
Regex regex = new Regex(pattern);
return
regex.IsMatch(input);
}
/// <summary>
///
从输入字符串中的第一个字符开始,用替换字符串替换指定的正则表达式模式的所有匹配项。
/// </summary>
/// <param name="pattern">模式字符串</param>
/// <param
name="input">输入字符串</param>
/// <param
name="replacement">用于替换的字符串</param>
///
<returns>返回被替换后的结果</returns>
public static string
Replace(string pattern, string input, string replacement)
{
Regex regex = new Regex(pattern);
return
regex.Replace(input, replacement);
}
/// <summary>
/// 在由正则表达式模式定义的位置拆分输入字符串。
///
</summary>
/// <param
name="pattern">模式字符串</param>
/// <param
name="input">输入字符串</param>
///
<returns></returns>
public static string[] Split(string
pattern, string input)
{
Regex regex = new
Regex(pattern);
return regex.Split(input);
}
/// <summary>
/// 判断输入的字符串是否是合法的IPV6 地址
///
</summary>
/// <param name="input"></param>
/// <returns></returns>
public static bool
IsIPV6(string input)
{
string pattern = "";
string temp = input;
string[] strs = temp.Split(‘:‘);
if (strs.Length > 8)
{
return
false;
}
int count =
MetarnetRegex.GetStringCount(input, "::");
if (count > 1)
{
return false;
}
else if (count == 0)
{
pattern =
@"^([\da-f]{1,4}:){7}[\da-f]{1,4}$";
Regex regex = new Regex(pattern);
return
regex.IsMatch(input);
}
else
{
pattern =
@"^([\da-f]{1,4}:){0,5}::([\da-f]{1,4}:){0,5}[\da-f]{1,4}$";
Regex regex1 = new Regex(pattern);
return
regex1.IsMatch(input);
}
}
/*
*******************************************************************
* 1、通过“:”来分割字符串看得到的字符串数组长度是否小于等于8
* 2、判断输入的IPV6字符串中是否有“::”。
*
3、如果没有“::”采用 ^([\da-f]{1,4}:){7}[\da-f]{1,4}$ 来判断
* 4、如果有“::”
,判断"::"是否止出现一次
* 5、如果出现一次以上 返回false
*
6、^([\da-f]{1,4}:){0,5}::([\da-f]{1,4}:){0,5}[\da-f]{1,4}$
*
******************************************************************/
/// <summary>
/// 判断字符串compare 在 input字符串中出现的次数
///
</summary>
/// <param
name="input">源字符串</param>
/// <param
name="compare">用于比较的字符串</param>
///
<returns>字符串compare 在 input字符串中出现的次数</returns>
private
static int GetStringCount(string input, string compare)
{
int index = input.IndexOf(compare);
if (index != -1)
{
return 1 + GetStringCount(input.Substring(index +
compare.Length), compare);
}
else
{
return 0;
}
}
}
}
js:http://blog.csdn.net/jumtre/article/details/13775351