diff --git a/java-strings/pom.xml b/java-strings/pom.xml
index 86b8924c4b..0c83b4d9e7 100644
--- a/java-strings/pom.xml
+++ b/java-strings/pom.xml
@@ -52,6 +52,13 @@
icu4j
${icu4j.version}
+
+
+ com.vdurmont
+ emoji-java
+ 4.0.0
+
+
diff --git a/java-strings/src/test/java/com/baeldung/string/RemovingEmojiFromStringUnitTest.java b/java-strings/src/test/java/com/baeldung/string/RemovingEmojiFromStringUnitTest.java
new file mode 100644
index 0000000000..163f28d0d8
--- /dev/null
+++ b/java-strings/src/test/java/com/baeldung/string/RemovingEmojiFromStringUnitTest.java
@@ -0,0 +1,78 @@
+package com.baeldung.string;
+
+import static org.hamcrest.CoreMatchers.containsString;
+import static org.hamcrest.CoreMatchers.not;
+import static org.junit.Assert.assertThat;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import org.junit.Test;
+
+import com.vdurmont.emoji.EmojiParser;
+
+public class RemovingEmojiFromStringUnitTest {
+ String text = "la confรฉrence, commencera ร 10 heures ๐
โฟ";
+ String regex = "[^\\p{L}\\p{N}\\p{P}\\p{Z}]";
+
+ @Test
+ public void whenRemoveEmojiUsingLibrary_thenSuccess() {
+ String result = EmojiParser.removeAllEmojis(text);
+ System.out.println(result);
+ assertThat(result, not(containsString("๐
")));
+ assertThat(result, containsString("ร "));
+ assertThat(result, containsString("la"));
+ assertThat(result, containsString("10"));
+ }
+
+ @Test
+ public void whenReplaceEmojiUsingLibrary_thenSuccess() {
+ String result = EmojiParser.parseToAliases(text);
+ System.out.println(result);
+ assertThat(result, not(containsString("๐
")));
+ assertThat(result, containsString("sweat_smile"));
+ }
+
+ @Test
+ public void whenRemoveEmojiUsingRegex_thenSuccess() {
+ String result = text.replaceAll(regex, "");
+ System.out.println(result);
+ assertThat(result, not(containsString("๐
")));
+ assertThat(result, containsString("ร "));
+ assertThat(result, containsString("la"));
+ assertThat(result, containsString("10"));
+ }
+
+ @Test
+ public void whenRemoveEmojiUsingMatcher_thenSuccess() {
+ Pattern pattern = Pattern.compile(regex, Pattern.UNICODE_CHARACTER_CLASS);
+ Matcher matcher = pattern.matcher(text);
+
+ String result = matcher.replaceAll("");
+ System.out.println(result);
+ assertThat(result, not(containsString("๐
")));
+ assertThat(result, containsString("ร "));
+ assertThat(result, containsString("la"));
+ assertThat(result, containsString("10"));
+ }
+
+ @Test
+ public void whenRemoveEmojiUsingCodepoints_thenSuccess() {
+ String result = text.replaceAll("[\\x{0001f300}-\\x{0001f64f}]|[\\x{0001f680}-\\x{0001f6ff}]", "");
+ System.out.println(result);
+ assertThat(result, not(containsString("๐
")));
+ assertThat(result, containsString("ร "));
+ assertThat(result, containsString("la"));
+ assertThat(result, containsString("10"));
+ }
+
+ @Test
+ public void whenRemoveEmojiUsingUnicode_thenSuccess() {
+ String result = text.replaceAll("[\ud83c\udf00-\ud83d\ude4f]|[\ud83d\ude80-\ud83d\udeff]", "");
+ System.out.println(result);
+ assertThat(result, not(containsString("๐
")));
+ assertThat(result, containsString("ร "));
+ assertThat(result, containsString("la"));
+ assertThat(result, containsString("10"));
+ }
+}