<Csharp> 判断UNICODE字符是否属于汉字

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原创最新推荐文章于 2026-08-07 14:33:14 发布 806 阅读 AI 写同款· GEO 优化 ›

c#中判断字符串是不是数字或字母的方法介绍了C#判断字符串是否数字或字母的实例，有需要的朋友可以参考一下立即下载

C# 判断UTF-8字符是否属于汉字


        /* 
         * Block                                   Range       Comment
            CJK Unified Ideographs                  4E00-9FFF   Common
            CJK Unified Ideographs Extension A      3400-4DBF   Rare
            CJK Unified Ideographs Extension B      20000-2A6DF Rare, historic
            CJK Unified Ideographs Extension C      2A700–2B73F Rare, historic
            CJK Unified Ideographs Extension D      2B740–2B81F Uncommon, some in current use
            CJK Unified Ideographs Extension E      2B820–2CEAF Rare, historic
            private use                             E815 - E864
            CJK Compatibility Ideographs            F900-FAFF   Duplicates, unifiable variants, corporate characters
            CJK Compatibility Ideographs Supplement 2F800-2FA1F Unifiable variants
         * 
         */
        /*
         * private use  E815 - E864
         * '','','','','','','','','','','','','','','',
         * '','','','','','','','','','','','','','','',
         * '','','','','','','','','','','','','','','',
         * '','','','','','','','','','','','','','','',
         * '','','','','','','','','','','','','','','',
         * '','','','','',
         */

        public static readonly char UNICODE_CHS_EXT_A_START = (char)0x3400;  // CJK扩展字符集A
        public static readonly char UNICODE_CHS_EXT_A_END = (char)0x4DB5; 
        public static readonly char UNICODE_CHS_CJK_CI_START = (char)0xF900;  // CJK扩展字符集CI
        public static readonly char UNICODE_CHS_CJK_CI_END = (char)0xFAFF;
        public static readonly char UNICODE_CHS_CJK_PRIVATE_START = (char)0xE815;  // CJK扩展字符集private
        public static readonly char UNICODE_CHS_CJK_PRIVATE_END = (char)0xE864;
        public static readonly char UNICODE_CHS_START = (char)0x4E00;      // CJK字符集
        public static readonly char UNICODE_CHS_END = (char)0x9FBB;

        public static Dictionary<char, char> DICT_UNICODE_CHINESE_RANGES = new Dictionary<char, char>
        {
            { UNICODE_CHS_START, UNICODE_CHS_END },
            { UNICODE_CHS_EXT_A_START, UNICODE_CHS_EXT_A_END },
            { UNICODE_CHS_CJK_CI_START, UNICODE_CHS_CJK_CI_END },
            { UNICODE_CHS_CJK_PRIVATE_START, UNICODE_CHS_CJK_PRIVATE_END }, 
        };

        public static bool CharIsChineseChar(char ch)
        {
             foreach (var pair in DICT_UNICODE_CHINESE_RANGES)
            {
                if ((pair.Key <= ch) && (pair.Value >= ch))
                {
                    return true;
                }
            }
            return false;
        }

参考链接：
[1]https://jrgraphix.net/r/Unicode/E000-F8FF

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