Get rid of platform differences in Regex.find doc

kotlin-native/runtime/src/main/kotlin/kotlin/text/Regex.kt

@@ -156,6 +156,7 @@ public actual class Regex internal constructor(internal val nativePattern: Patte
      * @param startIndex An index to start search with, by default 0. Must be not less than zero and not greater than `input.length()`
      * @return An instance of [MatchResult] if match was found or `null` otherwise.
      * @throws IndexOutOfBoundsException if [startIndex] is less than zero or greater than the length of the [input] char sequence.
+     * @sample samples.text.Regexps.find
      */
     @Suppress("ACTUAL_FUNCTION_WITH_DEFAULT_ARGUMENTS")
     actual fun find(input: CharSequence, startIndex: Int = 0): MatchResult? {

libraries/stdlib/common/src/kotlin/TextH.kt

@@ -25,6 +25,7 @@ expect class Regex {
      *
      * @param startIndex An index to start search with, by default 0. Must be not less than zero and not greater than `input.length()`
      * @return An instance of [MatchResult] if match was found or `null` otherwise.
+     * @throws IndexOutOfBoundsException if [startIndex] is less than zero or greater than the length of the [input] char sequence.
      * @sample samples.text.Regexps.find
      */
     fun find(input: CharSequence, startIndex: Int = 0): MatchResult?

libraries/stdlib/js/src/kotlin/text/regex.kt

@@ -66,11 +66,13 @@ public actual class Regex actual constructor(pattern: String, options: Set<Regex
         return nativePattern.test(input.toString())
     }
 
-    /** Returns the first match of a regular expression in the [input], beginning at the specified [startIndex].
+    /**
+     * Returns the first match of a regular expression in the [input], beginning at the specified [startIndex].
      *
      * @param startIndex An index to start search with, by default 0. Must be not less than zero and not greater than `input.length()`
      * @return An instance of [MatchResult] if match was found or `null` otherwise.
      * @throws IndexOutOfBoundsException if [startIndex] is less than zero or greater than the length of the [input] char sequence.
+     * @sample samples.text.Regexps.find
      */
     @Suppress("ACTUAL_FUNCTION_WITH_DEFAULT_ARGUMENTS")
     public actual fun find(input: CharSequence, startIndex: Int = 0): MatchResult? {

libraries/stdlib/jvm/src/kotlin/text/regex/Regex.kt

@@ -114,6 +114,8 @@ internal constructor(private val nativePattern: Pattern) : Serializable {
      *
      * @param startIndex An index to start search with, by default 0. Must be not less than zero and not greater than `input.length()`
      * @return An instance of [MatchResult] if match was found or `null` otherwise.
+     * @throws IndexOutOfBoundsException if [startIndex] is less than zero or greater than the length of the [input] char sequence.
+     * @sample samples.text.Regexps.find
      */
     @Suppress("ACTUAL_FUNCTION_WITH_DEFAULT_ARGUMENTS")
     public actual fun find(input: CharSequence, startIndex: Int = 0): MatchResult? =