[英]C#- Validation for US or Canadian zip code
I am using following method to validate US or Canadian zip code, but i think it is not working fine for me. 我使用以下方法来验证美国或加拿大邮政编码,但我认为它对我不起作用。 Please suggest me the changes in the regular expression.
请建议我正则表达式的变化。
private bool IsUSorCanadianZipCode(string zipCode)
{
bool isValidUsOrCanadianZip = false;
string pattern = @"^\d{5}-\d{4}|\d{5}|[A-Z]\d[A-Z] \d[A-Z]\d$";
Regex regex = new Regex(pattern);
return isValidUsOrCanadianZip = regex.IsMatch(zipCode);
}
Thanks. 谢谢。
var _usZipRegEx = @"^\d{5}(?:[-\s]\d{4})?$";
var _caZipRegEx = @"^([ABCEGHJKLMNPRSTVXY]\d[ABCEGHJKLMNPRSTVWXYZ])\ {0,1}(\d[ABCEGHJKLMNPRSTVWXYZ]\d)$";
private bool IsUSOrCanadianZipCode(string zipCode)
{
var validZipCode = true;
if ((!Regex.Match(zipCode, _usZipRegEx).Success) && (!Regex.Match(zipCode, _caZipRegEx).Success))
{
validZipCode = false;
}
return validZipCode;
}
}
If you are using Data Annotation Validators, you can use a RegularExpression attribute like this: 如果您使用的是数据注释验证器,则可以使用如下的RegularExpression属性:
[RegularExpression(@"(^\d{5}(-\d{4})?$)|(^[ABCEGHJKLMNPRSTVXYabceghjklmnprstvxy]{1}\d{1}[ABCEGHJKLMNPRSTVWXYZabceghjklmnprstvxy]{1} *\d{1}[ABCEGHJKLMNPRSTVWXYZabceghjklmnprstvxy]{1}\d{1}$)", ErrorMessage = "That postal code is not a valid US or Canadian postal code.")]
(regex is from the link @huMptyduMpty posted above at http://geekswithblogs.net/MainaD/archive/2007/12/03/117321.aspx but my regex allows both upper and lower case letters) (正则表达式来自http://geekswithblogs.net/MainaD/archive/2007/12/03/117321.aspx上面的@huMptyduMpty链接,但我的正则表达式允许大写和小写字母)
“在我的机器上”工作的美国邮政编码验证是
[RegularExpression(@"\d{5}$", ErrorMessage = "Invalid Zip Code")]
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