fun find( input: CharSequence, startIndex: Int = 0 ): MatchResult?
Returns the first match of a regular expression in the input, beginning at the specified startIndex.
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.
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Licensed under the Apache License, Version 2.0.
https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.text/-regex/find.html