java 过滤特殊字符串和emoji表情符号
package com.zcjd.config;
import lombok.extern.slf4j.Slf4j;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* @author 凌乱的枫叶
* @ClassName StringUtil
* @Description 过滤工具包
* @createTime 2022-07-19 10:14:00
*/
@Slf4j
public class StringUtil {
/**
* 过滤特殊字符
* @param str
* @return
*/
public static String filterStr (String str){
String regEx="[`~!@#$%^&*()+=|{}':;',\\[\\].<>/?~！@#￥%……&*（）——+|{}【】‘；：”“’。，、？]";
Pattern p = Pattern.compile(regEx);
Matcher m = p.matcher(str);
return m.replaceAll("").trim();
}
/**
* 过滤emoji表情，将表情替换成*
* @param source
* @return
*/
public static String filterEmoji(String source) {
if(source != null) {
Pattern emoji = Pattern.compile("[\ud83c\udc00-\ud83c\udfff]|[\ud83d\udc00-\ud83d\udfff]|[\u2600-\u27ff]|" +
"[\ud83e\udd00-\ud83e\uddff]|[\u2300-\u23ff]|[\u2500-\u25ff]|[\u2100-\u21ff]|[\u00a0-\u0fff]|[\u2b00-\u2bff]|[\u2d06]|[\u3030]"
,Pattern.UNICODE_CASE | Pattern.CASE_INSENSITIVE ) ;
Matcher emojiMatcher = emoji.matcher(source);
if (emojiMatcher.find()) {
source = emojiMatcher.replaceAll("*");
return source ;
}
return source;
}
return source;
}
/**
* 过滤表情符号
* @param content
* @return
*/
public static String filterEmoji2(String content) {
StringBuilder sb = new StringBuilder();
for (char ch : content.toCharArray()) {
if (!Character.isHighSurrogate(ch) && !Character.isLowSurrogate(ch)) {
sb.append(ch);
}
}
if (sb.length() < content.length()) {
log.info(content.length() + " 过滤掉 " + sb.length());
}
return sb.toString();
}
}