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BAEL-6811 Check if letter is emoji example code

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This commit is contained in:
Sam Gardner 2023-09-13 15:39:17 +01:00
parent ac590b3823
commit 601275a5c9
2 changed files with 54 additions and 0 deletions
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10
core-java-modules/core-java-string-algorithms-3/pom.xml
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@ -23,6 +23,16 @@
<artifactId>commons-lang3</artifactId>
<version>${apache-commons-lang3.version}</version>
</dependency>
<dependency>
<groupId>com.kcthota</groupId>
<artifactId>emoji4j</artifactId>
<version>6.0</version>
</dependency>
<dependency>
<groupId>com.vdurmont</groupId>
<artifactId>emoji-java</artifactId>
<version>5.1.1</version>
</dependency>
</dependencies>
<build>

44
core-java-modules/core-java-string-algorithms-3/src/test/java/com/baeldung/findemojis/FindEmojisUnitTest.java Normal file
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@ -0,0 +1,44 @@
package com.baeldung.findemojis;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
import com.vdurmont.emoji.EmojiManager;
import emoji4j.EmojiUtils;
public class FindEmojisUnitTest {
@Test
public void givenAWord_whenUsingEmoji4J_thenDetectEmoji() {
boolean emoji = EmojiUtils.isEmoji("\uD83D\uDC3B");
assertTrue(emoji);
boolean notEmoji = EmojiUtils.isEmoji("w");
assertFalse(notEmoji);
}
@Test
public void givenAWord_whenUsingEmojiJava_thenDetectEmoji() {
boolean emoji = EmojiManager.isEmoji("\uD83D\uDC3B");
assertTrue(emoji);
boolean notEmoji = EmojiManager.isEmoji("w");
assertFalse(notEmoji);
}
@Test
public void givenAWord_whenUsingRegex_thenDetectEmoji() {
String regexPattern = "[\uD800-\uDBFF\uDC00-\uDFFF]+";
String emojiString = "\uD83D\uDC3B";
boolean emoji = emojiString.matches(regexPattern);
assertTrue(emoji);
String notEmojiString = "w";
boolean notEmoji = notEmojiString.matches(regexPattern);
assertFalse(notEmoji);
}
}