[RegularExpression("^([a-zA-Z-`])+$", ErrorMessage = "Please correct your First Name - this should not contain any special characters other than - or `.")]
public string FirstName { get; set; }
[RegularExpression("^([a-zA-Z-`])+$", ErrorMess
阅读背景：
用于破折号和反引号的RegEx（如果包含在字符串中）应仅在出现之前和之后具有字母
来源：互联网
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