From d17c2be71248df936601748f40b508724c16a423 Mon Sep 17 00:00:00 2001
From: Teica <matea.pejcinovic@gmail.com>
Date: Sat, 30 Oct 2021 16:37:54 +0200
Subject: [PATCH] BAEL-5195 split string by multiple delimiters (#11356)
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* BAEL-5195 split string by multiple delimiters

* Delete baeldun

* added assertions of the content

Co-authored-by: Matea Pejčinović <matea.pejcinovic@intellexi.hr>
---
 .../core-java-string-operations-3/pom.xml     |  6 ++
 .../MultipleDelimitersSplitUnitTest.java      | 66 +++++++++++++++++++
 2 files changed, 72 insertions(+)
 create mode 100644 core-java-modules/core-java-string-operations-3/src/test/java/com/baeldung/multipledelimiterssplit/MultipleDelimitersSplitUnitTest.java

diff --git a/core-java-modules/core-java-string-operations-3/pom.xml b/core-java-modules/core-java-string-operations-3/pom.xml
index 642ade5ab3..20e9bcb39a 100644
--- a/core-java-modules/core-java-string-operations-3/pom.xml
+++ b/core-java-modules/core-java-string-operations-3/pom.xml
@@ -52,6 +52,11 @@
             <artifactId>semver4j</artifactId>
             <version>${semver4j.version}</version>
         </dependency>
+        <dependency>
+            <groupId>com.google.guava</groupId>
+            <artifactId>guava</artifactId>
+            <version>${guava.version}</version>
+        </dependency>
     </dependencies>
 
     <build>
@@ -80,6 +85,7 @@
         <assertj.version>3.6.1</assertj.version>
         <spring-core.version>5.3.9</spring-core.version>
         <apache-commons-lang3.version>3.12.0</apache-commons-lang3.version>
+        <guava.version>31.0.1-jre</guava.version>
         <maven-artifact.version>3.6.3</maven-artifact.version>
         <gradle-core.version>6.1.1</gradle-core.version>
         <jackson-core.version>2.11.1</jackson-core.version>
diff --git a/core-java-modules/core-java-string-operations-3/src/test/java/com/baeldung/multipledelimiterssplit/MultipleDelimitersSplitUnitTest.java b/core-java-modules/core-java-string-operations-3/src/test/java/com/baeldung/multipledelimiterssplit/MultipleDelimitersSplitUnitTest.java
new file mode 100644
index 0000000000..c8f8fc2d98
--- /dev/null
+++ b/core-java-modules/core-java-string-operations-3/src/test/java/com/baeldung/multipledelimiterssplit/MultipleDelimitersSplitUnitTest.java
@@ -0,0 +1,66 @@
+package com.baeldung.multipledelimiterssplit;
+
+import com.google.common.base.CharMatcher;
+import com.google.common.base.Splitter;
+import com.google.common.collect.Iterators;
+import org.apache.commons.lang3.StringUtils;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.TestInstance;
+
+import java.util.Arrays;
+import java.util.regex.Pattern;
+
+@TestInstance(TestInstance.Lifecycle.PER_CLASS)
+public class MultipleDelimitersSplitUnitTest {
+
+    @Test
+    public void givenString_whenSplittingByMultipleDelimitersWithRegEx_thenStringSplit() {
+        String example = "Mary;Thomas:Jane-Kate";
+        String[] names = example.split(";|:|-");
+        String[] expectedNames = new String[]{"Mary", "Thomas", "Jane", "Kate"};
+        Assertions.assertEquals(4, names.length);
+        Assertions.assertArrayEquals(expectedNames, names);
+    }
+
+    @Test
+    public void givenString_whenSplittingByWithCharMatcherAndOnMethod_thenStringSplit() {
+        String example = "Mary;Thomas:Jane-Kate";
+        String[] expectedArray = new String[]{"Mary", "Thomas", "Jane", "Kate"};
+        Iterable<String> expected = Arrays.asList(expectedArray);
+        Iterable<String> names = Splitter.on(CharMatcher.anyOf(";:-")).split(example);
+        Assertions.assertEquals(4, Iterators.size(names.iterator()));
+        Assertions.assertIterableEquals(expected, names);
+    }
+
+    @Test
+    public void givenString_whenSplittingByWithRegexAndOnPatternMethod_thenStringSplit() {
+        String example = "Mary;Thomas:Jane-Kate";
+        String[] expectedArray = new String[]{"Mary", "Thomas", "Jane", "Kate"};
+        Iterable<String> expected = Arrays.asList(expectedArray);
+        Iterable<String> names = Splitter.on(Pattern.compile(";|:|-")).split(example);
+        Assertions.assertEquals(4, Iterators.size(names.iterator()));
+        Assertions.assertIterableEquals(expected, names);
+    }
+
+    @Test
+    public void givenString_whenSplittingByMultipleDelimitersWithGuava_thenStringSplit() {
+        String example = "Mary;Thomas:Jane-Kate";
+        String[] expectedArray = new String[]{"Mary", "Thomas", "Jane", "Kate"};
+        Iterable<String> expected = Arrays.asList(expectedArray);
+        Iterable<String> names = Splitter.onPattern(";|:|-").split(example);
+        Assertions.assertEquals(4, Iterators.size(names.iterator()));
+        Assertions.assertIterableEquals(expected, names);
+    }
+
+    @Test
+    public void givenString_whenSplittingByMultipleDelimitersWithApache_thenStringSplit() {
+        String example = "Mary;Thomas:Jane-Kate";
+        String[] expectedNames = new String[]{"Mary", "Thomas", "Jane", "Kate"};
+        String[] names = StringUtils.split(example, ";:-");
+        Assertions.assertEquals(4, names.length);
+        Assertions.assertArrayEquals(expectedNames, names);
+    }
+
+}
+