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subSequence

Platform and version requirements: JS (1.1), Native (1.3)
fun subSequence(startIndex: Int, endIndex: Int): CharSequence

Returns a new character sequence that is a subsequence of this character sequence, starting at the specified startIndex and ending right before the specified endIndex.

Parameters

startIndex - the start index (inclusive).

endIndex - the end index (exclusive).

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Licensed under the Apache License, Version 2.0.
https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.text/-string-builder/sub-sequence.html