Added sample for string interpolation matching

Author: yadavan88

scala-core-modules/scala-core/src/main/scala/com/baeldung/scala/patternmatching/PatternMatching.scala

@@ -91,6 +91,15 @@ class PatternMatching {
     }
   }
 
+  def stringInterpolationMatching(toMatch: String): String = {
+    toMatch match {
+      case s"$firstName.$lastName@$domain.$extension" =>
+        s"Hey ${firstName.capitalize} ${lastName.capitalize}, $domain.$extension is your email domain"
+      case s"$day-$month-${year}T$time" => s"$month $day, $year"
+      case _                            => "unknown pattern"
+    }
+  }
+
   def optionsPatternMatching(option: Option[String]): String = {
     option match {
       case Some(value) => s"I'm not an empty option. Value $value"

scala-core-modules/scala-core/src/test/scala/com/baeldung/scala/patternmatching/PatternMatchingUnitTest.scala

@@ -155,6 +155,30 @@ class PatternMatchingUnitTest {
     )
   }
 
+  @Test
+  def whenEmailIsPassedWithComDomain_itShouldExtractParts(): Unit = {
+    val result = new PatternMatching().stringInterpolationMatching("[email protected]")
+    assertEquals("Hey James Kirk, starfleet.com is your email domain", result)
+  }
+
+  @Test
+  def whenEmailIsPassedWithCoInDomain_itShouldExtractParts(): Unit = {
+    val result = new PatternMatching().stringInterpolationMatching("[email protected]")
+    assertEquals("Hey James Kirk, starfleet.co.in is your email domain", result)
+  }
+
+  @Test
+  def whenDateTimeIsPassed_itShouldExtractDate(): Unit = {
+    val result = new PatternMatching().stringInterpolationMatching("01-April-2024T10:20:30")
+    assertEquals("April 01, 2024", result)
+  }
+
+  @Test
+  def whenUnknownDataIsPassed_itShouldReturnDefaultString(): Unit = {
+    val result = new PatternMatching().stringInterpolationMatching("something-unknown.unmatched")
+    assertEquals("unknown pattern", result)
+  }
+
   @Test
   def whenAFilledOptionIsPassed_ThenItShouldMatchTheSomeClause(): Unit = {
     val result =