alhudz opened a new pull request, #1687:
URL: https://github.com/apache/commons-lang/pull/1687
indexOfAny(CharSequence, int, char...) reports a hit when the last char of
the input is a lone high surrogate that equals the high half of a supplementary
code point in searchChars: the surrogate guard short-circuits on `i >= csLast`
and returns that index without ever matching the low half. So
`indexOfAny("\uD840", new char[] {'\uD840', '\uDC01'})` returns 0 while
`containsAny`/`containsNone` return false on the same input, even though the
StringUtilsContainsTest cases pin that lone-half behavior. Reused the existing
containsAny condition so the three methods agree.
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