java去除emoji表情等特殊字符。

java去除emoji表情等特殊字符。保留html标签

package test;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Emoji {

	public static void main(String[] args) {
		String str = "
测试去除emoji你好
文字文字
";

		String filterEmoji = filterEmoji(str);
		System.out.println(filterEmoji);
	}

	public static String filterEmoji(String source) {
		if (source != null) {
			Pattern emoji = Pattern.compile("[\ud83c\udc00-\ud83c\udfff]|[\ud83d\udc00-\ud83d\udfff]|[\u2600-\u27ff]",
					Pattern.UNICODE_CASE | Pattern.CASE_INSENSITIVE);
			Matcher emojiMatcher = emoji.matcher(source);
			if (emojiMatcher.find()) {
				source = emojiMatcher.replaceAll("");
				return source;
			}
			return source;
		}

		return source;
	}

}

结果：