【易捷海购-注册安全分析报告】

• CJK_UNIFIED_IDEOGRAPHS: 基本的中日韩统一表意文字。
• CJK_COMPATIBILITY_IDEOGRAPHS: 中日韩兼容表意文字。
• CJK_UNIFIED_IDEOGRAPHS_EXTENSION_A: 中日韩统一表意文字扩展 A 区。
• GENERAL_PUNCTUATION: 通用标点符号。
• CJK_SYMBOLS_AND_PUNCTUATION: 中日韩符号和标点符号。
• HALFWIDTH_AND_FULLWIDTH_FORMS: 半角和全角字符。

private fun isChinese(c: Char): Boolean {
    val ub = Character.UnicodeBlock.of(c)
    return when (ub) {
        Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS,
        Character.UnicodeBlock.CJK_COMPATIBILITY_IDEOGRAPHS,
        Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS_EXTENSION_A,
        Character.UnicodeBlock.GENERAL_PUNCTUATION,
        Character.UnicodeBlock.CJK_SYMBOLS_AND_PUNCTUATION,
        Character.UnicodeBlock.HALFWIDTH_AND_FULLWIDTH_FORMS -> true
        else -> false
    }
}