Data commit

Task/String-matching/Kotlin/string-matching.kotlin

@@ -0,0 +1,16 @@
+fun main() {
+    val s1 = "abracadabra"
+    val s2 = "abra"
+    println("$s1 begins with $s2: ${s1.startsWith(s2)}")
+    println("$s1 ends with $s2: ${s1.endsWith(s2)}")
+    val b = s2 in s1
+    if (b) {
+        print("$s1 contains $s2 at these indices: ")
+        // can use indexOf to get first index or lastIndexOf to get last index
+        // to get ALL indices, use a for loop or Regex
+        println(
+            s2.toRegex(RegexOption.LITERAL).findAll(s1).joinToString { it.range.start.toString() }
+        )
+    }
+    else println("$s1 does not contain $2.")
+}