Java判断char是否为中文-526互联

import java.util.regex.Pattern; 

public class CharUtil { 

    public static void main(String[] args) { 
        String[] strArr = new String[] { "www.micmiu.com", "!@#$%^&*()_+{}[]|\"'?/:;<>,.", "！￥……（）——：；“”‘'《》，。？、", "不要啊", "やめて", "韩佳人", "???" }; 
        for (String str : strArr) { 
            System.out.println("===========> 测试字符串：" + str); 
            System.out.println("正则判断结果：" + isChineseByREG(str) + " -- " + isChineseByName(str)); 
            System.out.println("Unicode判断结果 ：" + isChinese(str)); 
            System.out.println("详细判断列表："); 
            char[] ch = str.toCharArray(); 
            for (int i = 0; i < ch.length; i++) { 
                char c = ch[i]; 
                System.out.println(c + " --> " + (isChinese(c) ? "是" : "否")); 
            } 
        } 
    } 

    // 根据Unicode编码完美的判断中文汉字和符号 
    private static boolean isChinese(char c) { 
        Character.UnicodeBlock ub = Character.UnicodeBlock.of(c); 
        if (ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS || ub == Character.UnicodeBlock.CJK_COMPATIBILITY_IDEOGRAPHS 
                || ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS_EXTENSION_A || ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS_EXTENSION_B 
                || ub == Character.UnicodeBlock.CJK_SYMBOLS_AND_PUNCTUATION || ub == Character.UnicodeBlock.HALFWIDTH_AND_FULLWIDTH_FORMS 
                || ub == Character.UnicodeBlock.GENERAL_PUNCTUATION) { 
            return true; 
        } 
        return false; 
    } 

    // 完整的判断中文汉字和符号 
    public static boolean isChinese(String strName) { 
        char[] ch = strName.toCharArray(); 
        for (int i = 0; i < ch.length; i++) { 
            char c = ch[i]; 
            if (isChinese(c)) { 
                return true; 
            } 
        } 
        return false; 
    } 

    // 只能判断部分CJK字符（CJK统一汉字） 
    public static boolean isChineseByREG(String str) { 
        if (str == null) { 
            return false; 
        } 
        Pattern pattern = Pattern.compile("[\\u4E00-\\u9FBF]+"); 
        return pattern.matcher(str.trim()).find(); 
    } 

    // 只能判断部分CJK字符（CJK统一汉字） 
    public static boolean isChineseByName(String str) { 
        if (str == null) { 
            return false; 
        } 
        // 大小写不同：\\p 表示包含，\\P 表示不包含 
        // \\p{Cn} 的意思为 Unicode 中未被定义字符的编码，\\P{Cn} 就表示 Unicode中已经被定义字符的编码 
        String reg = "\\p{InCJK Unified Ideographs}&&\\P{Cn}"; 
        Pattern pattern = Pattern.compile(reg); 
        return pattern.matcher(str.trim()).find(); 
    } 
}