findPrefix

[JVM]
open fun findPrefix(prefixes: Array<String>, longerString: String, startAt: Int): String

This is like whichPrefix, but returns the found prefix (or null).

the prefixes[i] which longerString starts with (or null if not found)

JVM


prefixes	the array of prefixes
longerString	the String that might start with one of the prefixes
startAt	the first element of ar to be checked. If startAt <0, this starts with startAt = 0.