Java Utililty Methods Emoji Check

List of utility methods to do Emoji Check

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Description

The list of methods to do Emoji Check are organized into topic(s).

Method

Stringemoji(int hexEmoji)
emoji 
return String.valueOf(Character.toChars(hexEmoji));
Stringemoji(String emoji)
Add emoji to text 
return "<ss type=\"" + emoji.replace("(", "").replace(")", "") + "\">" + emoji + "</ss>";
StringfilterEmoji(String source)
filter Emoji 
if (source != null) {
    Pattern emoji = Pattern.compile("[\\x{10000}-\\x{10FFFF}]",
            Pattern.UNICODE_CASE | Pattern.CASE_INSENSITIVE);
    Matcher emojiMatcher = emoji.matcher(source);
    if (emojiMatcher.find()) {
        source = emojiMatcher.replaceAll("[emoji]");
        return source;
    return source;
return source;
booleanisEmoji(char c)
is Emoji 
if (Character.UnicodeBlock.of(c) == Character.UnicodeBlock.PRIVATE_USE_AREA) {
    return true;
} else {
    return false;
StringresolveToEmoji(String str)
resolve To Emoji 
str = str.replaceAll("<:", "").replaceAll(":>", "");
String[] s = str.split(",");
byte[] b = new byte[s.length];
for (int i = 0; i < s.length; i++) {
    b[i] = Byte.valueOf(s[i]);
return new String(b);
StringresolveToEmojiFromByte(String str)
resolve To Emoji From Byte 
Pattern pattern2 = Pattern.compile("<:([[-]\\d*[,]]+):>");
Matcher matcher2 = pattern2.matcher(str);
StringBuffer sb3 = new StringBuffer();
while (matcher2.find()) {
    matcher2.appendReplacement(sb3, resolveToEmoji(matcher2.group(0)));
matcher2.appendTail(sb3);
return sb3.toString();
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