Allow to use Regex matches CharSequence and CharSequence matches Regex in infix form

#KT-14279

libraries/stdlib/src/kotlin/text/Strings.kt

@@ -677,7 +677,7 @@ public inline fun CharSequence.replaceFirst(regex: Regex, replacement: String):
  * Returns `true` if this char sequence matches the given regular expression.
  */
 @kotlin.internal.InlineOnly
-public inline fun CharSequence.matches(regex: Regex): Boolean = regex.matches(this)
+public inline infix fun CharSequence.matches(regex: Regex): Boolean = regex.matches(this)
 
 /**
  * Implementation of [regionMatches] for CharSequences.

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

@@ -116,7 +116,7 @@ internal constructor(private val nativePattern: Pattern) {
     public val options: Set<RegexOption> = fromInt(nativePattern.flags())
 
     /** Indicates whether the regular expression matches the entire [input]. */
-    public fun matches(input: CharSequence): Boolean = nativePattern.matcher(input).matches()
+    public infix fun matches(input: CharSequence): Boolean = nativePattern.matcher(input).matches()
 
     /** Indicates whether the regular expression can find at least one match in the specified [input]. */
     public fun containsMatchIn(input: CharSequence): Boolean = nativePattern.matcher(input).find()