From 601275a5c99c2b930afcfca9daf2ddb79568a6da Mon Sep 17 00:00:00 2001
From: Sam Gardner <samgardner909@gmail.com>
Date: Wed, 13 Sep 2023 15:39:17 +0100
Subject: [PATCH 1/6] BAEL-6811 Check if letter is emoji example code

---
 .../core-java-string-algorithms-3/pom.xml     | 10 +++++
 .../findemojis/FindEmojisUnitTest.java        | 44 +++++++++++++++++++
 2 files changed, 54 insertions(+)
 create mode 100644 core-java-modules/core-java-string-algorithms-3/src/test/java/com/baeldung/findemojis/FindEmojisUnitTest.java

diff --git a/core-java-modules/core-java-string-algorithms-3/pom.xml b/core-java-modules/core-java-string-algorithms-3/pom.xml
index 7d4adeba92..1122cbec6d 100644
--- a/core-java-modules/core-java-string-algorithms-3/pom.xml
+++ b/core-java-modules/core-java-string-algorithms-3/pom.xml
@@ -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>
diff --git a/core-java-modules/core-java-string-algorithms-3/src/test/java/com/baeldung/findemojis/FindEmojisUnitTest.java b/core-java-modules/core-java-string-algorithms-3/src/test/java/com/baeldung/findemojis/FindEmojisUnitTest.java
new file mode 100644
index 0000000000..2400e052b3
--- /dev/null
+++ b/core-java-modules/core-java-string-algorithms-3/src/test/java/com/baeldung/findemojis/FindEmojisUnitTest.java
@@ -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);
+    }
+
+}

From 1fe064e7438c317e4db45486da494ee0697c1ef1 Mon Sep 17 00:00:00 2001
From: Sam Gardner <samgardner909@gmail.com>
Date: Thu, 14 Sep 2023 15:06:43 +0100
Subject: [PATCH 2/6] BAEL-6811 Move folders

---
 .../core-java-string-algorithms-3/pom.xml              | 10 ----------
 core-java-modules/core-java-string-algorithms/pom.xml  |  7 +++++++
 .../com/baeldung/findemojis/FindEmojisUnitTest.java    |  0
 3 files changed, 7 insertions(+), 10 deletions(-)
 rename core-java-modules/{core-java-string-algorithms-3 => core-java-string-algorithms}/src/test/java/com/baeldung/findemojis/FindEmojisUnitTest.java (100%)

diff --git a/core-java-modules/core-java-string-algorithms-3/pom.xml b/core-java-modules/core-java-string-algorithms-3/pom.xml
index 1122cbec6d..7d4adeba92 100644
--- a/core-java-modules/core-java-string-algorithms-3/pom.xml
+++ b/core-java-modules/core-java-string-algorithms-3/pom.xml
@@ -23,16 +23,6 @@
             <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>
diff --git a/core-java-modules/core-java-string-algorithms/pom.xml b/core-java-modules/core-java-string-algorithms/pom.xml
index 10d28feb2f..ad1124474a 100644
--- a/core-java-modules/core-java-string-algorithms/pom.xml
+++ b/core-java-modules/core-java-string-algorithms/pom.xml
@@ -39,6 +39,11 @@
             <artifactId>emoji-java</artifactId>
             <version>${emoji-java.version}</version>
         </dependency>
+        <dependency>
+            <groupId>com.kcthota</groupId>
+            <artifactId>emoji4j</artifactId>
+            <version>6.0</version>
+        </dependency>
     </dependencies>
 
     <build>
@@ -52,6 +57,8 @@
     </build>
 
     <properties>
+        <maven.compiler.source>8</maven.compiler.source>
+        <maven.compiler.target>8</maven.compiler.target>
         <ahocorasick.version>0.4.0</ahocorasick.version>
         <emoji-java.version>4.0.0</emoji-java.version>
     </properties>
diff --git a/core-java-modules/core-java-string-algorithms-3/src/test/java/com/baeldung/findemojis/FindEmojisUnitTest.java b/core-java-modules/core-java-string-algorithms/src/test/java/com/baeldung/findemojis/FindEmojisUnitTest.java
similarity index 100%
rename from core-java-modules/core-java-string-algorithms-3/src/test/java/com/baeldung/findemojis/FindEmojisUnitTest.java
rename to core-java-modules/core-java-string-algorithms/src/test/java/com/baeldung/findemojis/FindEmojisUnitTest.java

From 39f235d8baf8a506f1048ec092e198436dca5938 Mon Sep 17 00:00:00 2001
From: Sam Gardner <samgardner909@gmail.com>
Date: Thu, 14 Sep 2023 15:56:39 +0100
Subject: [PATCH 3/6] Revert "BAEL-6811 Move folders"

This reverts commit 1fe064e7438c317e4db45486da494ee0697c1ef1.
---
 .../core-java-string-algorithms-3/pom.xml              | 10 ++++++++++
 .../com/baeldung/findemojis/FindEmojisUnitTest.java    |  0
 core-java-modules/core-java-string-algorithms/pom.xml  |  7 -------
 3 files changed, 10 insertions(+), 7 deletions(-)
 rename core-java-modules/{core-java-string-algorithms => core-java-string-algorithms-3}/src/test/java/com/baeldung/findemojis/FindEmojisUnitTest.java (100%)

diff --git a/core-java-modules/core-java-string-algorithms-3/pom.xml b/core-java-modules/core-java-string-algorithms-3/pom.xml
index 7d4adeba92..1122cbec6d 100644
--- a/core-java-modules/core-java-string-algorithms-3/pom.xml
+++ b/core-java-modules/core-java-string-algorithms-3/pom.xml
@@ -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>
diff --git a/core-java-modules/core-java-string-algorithms/src/test/java/com/baeldung/findemojis/FindEmojisUnitTest.java b/core-java-modules/core-java-string-algorithms-3/src/test/java/com/baeldung/findemojis/FindEmojisUnitTest.java
similarity index 100%
rename from core-java-modules/core-java-string-algorithms/src/test/java/com/baeldung/findemojis/FindEmojisUnitTest.java
rename to core-java-modules/core-java-string-algorithms-3/src/test/java/com/baeldung/findemojis/FindEmojisUnitTest.java
diff --git a/core-java-modules/core-java-string-algorithms/pom.xml b/core-java-modules/core-java-string-algorithms/pom.xml
index ad1124474a..10d28feb2f 100644
--- a/core-java-modules/core-java-string-algorithms/pom.xml
+++ b/core-java-modules/core-java-string-algorithms/pom.xml
@@ -39,11 +39,6 @@
             <artifactId>emoji-java</artifactId>
             <version>${emoji-java.version}</version>
         </dependency>
-        <dependency>
-            <groupId>com.kcthota</groupId>
-            <artifactId>emoji4j</artifactId>
-            <version>6.0</version>
-        </dependency>
     </dependencies>
 
     <build>
@@ -57,8 +52,6 @@
     </build>
 
     <properties>
-        <maven.compiler.source>8</maven.compiler.source>
-        <maven.compiler.target>8</maven.compiler.target>
         <ahocorasick.version>0.4.0</ahocorasick.version>
         <emoji-java.version>4.0.0</emoji-java.version>
     </properties>

From 913f8f55005f3b1cf6fc719f8b22390afff7ce40 Mon Sep 17 00:00:00 2001
From: Sam Gardner <samgardner909@gmail.com>
Date: Thu, 14 Sep 2023 16:03:19 +0100
Subject: [PATCH 4/6] BAEL-6811 remove emoji4j usage

---
 core-java-modules/core-java-string-algorithms-3/pom.xml  | 5 -----
 .../java/com/baeldung/findemojis/FindEmojisUnitTest.java | 9 ---------
 2 files changed, 14 deletions(-)

diff --git a/core-java-modules/core-java-string-algorithms-3/pom.xml b/core-java-modules/core-java-string-algorithms-3/pom.xml
index 1122cbec6d..9c704c9f40 100644
--- a/core-java-modules/core-java-string-algorithms-3/pom.xml
+++ b/core-java-modules/core-java-string-algorithms-3/pom.xml
@@ -23,11 +23,6 @@
             <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>
diff --git a/core-java-modules/core-java-string-algorithms-3/src/test/java/com/baeldung/findemojis/FindEmojisUnitTest.java b/core-java-modules/core-java-string-algorithms-3/src/test/java/com/baeldung/findemojis/FindEmojisUnitTest.java
index 2400e052b3..2c1a43fdaa 100644
--- a/core-java-modules/core-java-string-algorithms-3/src/test/java/com/baeldung/findemojis/FindEmojisUnitTest.java
+++ b/core-java-modules/core-java-string-algorithms-3/src/test/java/com/baeldung/findemojis/FindEmojisUnitTest.java
@@ -11,15 +11,6 @@ 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");

From f0719f76a7762d67774c37a41d4d3d70dd17bc9d Mon Sep 17 00:00:00 2001
From: Sam Gardner <samgardner909@gmail.com>
Date: Thu, 14 Sep 2023 16:09:18 +0100
Subject: [PATCH 5/6] BAEL-6811 remove unused import

---
 .../test/java/com/baeldung/findemojis/FindEmojisUnitTest.java   | 2 --
 1 file changed, 2 deletions(-)

diff --git a/core-java-modules/core-java-string-algorithms-3/src/test/java/com/baeldung/findemojis/FindEmojisUnitTest.java b/core-java-modules/core-java-string-algorithms-3/src/test/java/com/baeldung/findemojis/FindEmojisUnitTest.java
index 2c1a43fdaa..3cd5b1ba97 100644
--- a/core-java-modules/core-java-string-algorithms-3/src/test/java/com/baeldung/findemojis/FindEmojisUnitTest.java
+++ b/core-java-modules/core-java-string-algorithms-3/src/test/java/com/baeldung/findemojis/FindEmojisUnitTest.java
@@ -7,8 +7,6 @@ import org.junit.Test;
 
 import com.vdurmont.emoji.EmojiManager;
 
-import emoji4j.EmojiUtils;
-
 public class FindEmojisUnitTest {
 
     @Test

From 39f5f3cdd745dbec6f14356b07e5f7636b847763 Mon Sep 17 00:00:00 2001
From: Sam Gardner <samgardner909@gmail.com>
Date: Mon, 18 Sep 2023 10:41:36 +0100
Subject: [PATCH 6/6] BAEL-6811 extract dependecy version number

---
 core-java-modules/core-java-string-algorithms-3/pom.xml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/core-java-modules/core-java-string-algorithms-3/pom.xml b/core-java-modules/core-java-string-algorithms-3/pom.xml
index 9c704c9f40..536175acc2 100644
--- a/core-java-modules/core-java-string-algorithms-3/pom.xml
+++ b/core-java-modules/core-java-string-algorithms-3/pom.xml
@@ -26,7 +26,7 @@
         <dependency>
             <groupId>com.vdurmont</groupId>
             <artifactId>emoji-java</artifactId>
-            <version>5.1.1</version>
+            <version>${emoji-java.version}</version>
         </dependency>
     </dependencies>
 
@@ -57,6 +57,7 @@
         <maven.compiler.target>11</maven.compiler.target>
         <validator.version>1.7</validator.version>
         <apache-commons-lang3.version>3.12.0</apache-commons-lang3.version>
+        <emoji-java.version>5.1.1</emoji-java.version>
     </properties>
 
 </project>
\ No newline at end of file