Salesforce Apex code to detect Chinese or Japanese characters 在字串中尋找漢字 包含中文字 或 日文字

 Sometimes we have to identify the language character inside string . Code below shows how to use Apex code to identify whether a specific string contains "Hanzi" or not . 

#Please be reminded that "Hanzi" NOT just detect Chinese characters , it may also include Japanese Hanzi.  

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//true if contain chinese or japanese hanzi public static Boolean containsChineseCharacters(String InputString){ Pattern p = Pattern.compile('\\p{IsHan}'); Matcher m = p.matcher( InputString ); return m.find(); }