String matching: Difference between revisions

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@@ Line 2,640: / Line 2,640: @@
 =={{header|Kotlin}}==
-<syntaxhighlight lang="scala">// version 1.0.6
+<syntaxhighlight lang="kotlin">
+fun main() {
-fun main(args: Array<String>) {
     val s1 = "abracadabra"
     val s2 = "abra"
-    println("$s1 begins with $s2 : ${s1.startsWith(s2)}")
+    println("$s1 begins with $s2: ${s1.startsWith(s2)}")
-    println("$s1 ends with $s2   : ${s1.endsWith(s2)}")
+    println("$s1 ends with $s2: ${s1.endsWith(s2)}")
-    val b  = s2 in s1
+    val b = s2 in s1
+    if (b) {
-    print("$s1 contains $s2    : $b")
+        print("$s1 contains $s2 at these indices: ")
-    if (b) println(" at locations ${s1.indexOf(s2) + 1} and ${s1.lastIndexOf(s2) + 1}")
+        // can use indexOf to get first index or lastIndexOf to get last index
-    else println()
+        // to get ALL indices, use a for loop or Regex
+        println(
+            s2.toRegex(RegexOption.LITERAL).findAll(s1).joinToString { it.range.start.toString() }
+        )
+    }
+    else println("$s1 does not contain $2.")
 }</syntaxhighlight>
 {{out}}
 <pre>
-abracadabra begins with abra : true
+abracadabra begins with abra: true
-abracadabra ends with abra   : true
+abracadabra ends with abra: true
-abracadabra contains abra    : true at locations 1 and 8
+abracadabra contains abra at these indices: 0, 7
 </pre>