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remove emojis

This commit is contained in:
DOHA 2018-09-01 21:57:20 +03:00
parent d0f455971e
commit 409f252b0e
2 changed files with 85 additions and 0 deletions
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7
java-strings/pom.xml
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@ -52,6 +52,13 @@
<artifactId>icu4j</artifactId>
<version>${icu4j.version}</version>
</dependency>
<dependency>
<groupId>com.vdurmont</groupId>
<artifactId>emoji-java</artifactId>
<version>4.0.0</version>
</dependency>
</dependencies>
<build>

78
java-strings/src/test/java/com/baeldung/string/RemovingEmojiFromStringUnitTest.java Normal file
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@ -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 conférence, commencera à 10 heures 😅 ✿";
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("😅")));
assertThat(result, containsString("à"));
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("😅")));
assertThat(result, containsString("sweat_smile"));
}
@Test
public void whenRemoveEmojiUsingRegex_thenSuccess() {
String result = text.replaceAll(regex, "");
System.out.println(result);
assertThat(result, not(containsString("😅")));
assertThat(result, containsString("à"));
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("😅")));
assertThat(result, containsString("à"));
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("😅")));
assertThat(result, containsString("à"));
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("😅")));
assertThat(result, containsString("à"));
assertThat(result, containsString("la"));
assertThat(result, containsString("10"));
}
}