using System.Text.RegularExpressions;
/// <summary>
/// C#3.0扩展方法(实现验证功能)
/// </summary>
public static class Extensions
{
public static bool IsValidEmailAddress(this string email)
{
Regex regex = new Regex(@"\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*");
return regex.IsMatch(email);
}
public static bool IsValidURL(this string url)
{
Regex regex = new Regex(@"http(s)?://([\w-]+\.)+[\w-]+(/[\w- ./?%&=]*)?");
return regex.IsMatch(url);
}
public static bool OnlyCharacters(this string character)
{
Regex regex = new Regex(@"^.[A-Za-z]+$");
return regex.IsMatch(character);
}
public static bool OnlyNumber(this string number)
{
Regex regex = new Regex(@"^.[0-9]*$");
return regex.IsMatch(number);
}
public static bool IsValidDate(this string date)
{ //验证日期类型为yyyy-MM-dd
Regex regex = new Regex(@"^((((19|20)(([02468][048])|([13579][26]))-02-29))|((20[0-9][0-9])|(19[0-9][0-9]))-((((0[1-9])|(1[0-2]))-((0[1-9])|(1\d)|(2[0-8])))|((((0[13578])|(1[02]))-31)|(((0[1,3-9])|(1[0-2]))-(29|30)))))$");
return regex.IsMatch(date);
}
public static bool IsValidDateTime(this string dateTime)
{ //验证日期类型为yyyy-MM-dd hh:mm:ss
Regex regex = new Regex(@"^((((1[6-9]|[2-9]\d)\d{2})-(0?[13578]|1[02])-(0?[1-9]|[12]\d|3[01]))|(((1[6-9]|[2-9]\d)\d{2})-(0?[13456789]|1[012])-(0?[1-9]|[12]\d|30))|(((1[6-9]|[2-9]\d)\d{2})-0?2-(0?[1-9]|1\d|2[0-8]))|(((1[6-9]|[2-9]\d)(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00))-0?2-29-)) (20|21|22|23|[0-1]?\d):[0-5]?\d:[0-5]?\d$");
return regex.IsMatch(dateTime);
}
public static bool IsValidUSPhone(this string phone)
{
Regex regex = new Regex(@"((\(\d{3}\) ?)|(\d{3}-))?\d{3}-\d{4}");
return regex.IsMatch(phone);
}
public static bool IsValidUSZipCode(this string zipcode)
{
Regex regex = new Regex(@"\d{5}(-\d{4})?");
return regex.IsMatch(zipcode);
}
public static bool IsValidKorean(this string korean)
{
Regex regex = new Regex(@"^.[\uac00-\ud7af\u1100-\u11FF\u3130-\u318f]+$");
return regex.IsMatch(korean);
}
public static bool IsValidCNMobile(this string mobile)
{
Regex regex = new Regex(@"^((\(\d{3}\))|(\d{3}\-))?13[0-9]\d{8}|15[0-9]\d{8}|18[0-9]\d{8}");
return regex.IsMatch(mobile);
}
public static bool IsValidCNPhone(this string phone)
{
Regex regex = new Regex(@"(^[0-9]{3,4}\-[0-9]{3,8}$)|(^[0-9]{3,8}$)|(^\([0-9]{3,4}\)[0-9]{3,8}$)|(^0{0,1}13[0-9]{9}");
return regex.IsMatch(phone);
}
public static bool IsValidCNZipCode(this string zipcode)
{
Regex regex = new Regex(@"\d{6}");
return regex.IsMatch(zipcode);
}
public static bool IsValidCNID(this string ID)
{ //验证身份证是否为15位或18位
Regex regex = new Regex(@"d{18}|d{15}");
return regex.IsMatch(ID);
}
}
