1     /// <summary>
 2     /// 英文字母与数字
 3     /// </summary>
 4     public const string LettersAndNumbers = "[a-zA-Z0-9]+";
 5 
 6     /// <summary>
 7     /// 中文字符
 8     /// </summary>
 9     public const string ChineseChars = "[\u4E00-\u9FA5]+";
10 
11     /// <summary>
12     /// 英文字符
13     /// </summary>
14     public const string EnglishChars = "[a-zA-Z]+";

1 string ChineseChars = "[\u4E00-\u9FA5]+";
2 var match = Regex.Match("中文字符30Margin中文字符40HorizontalAlignment", ChineseChars, RegexOptions.IgnoreCase);
3 var result = $"Index:{match.Index},Length:{match.Length}\r\nResult:{match.Value}";