indexOf

Platform and version requirements: JS (1.4), Native (1.4)

fun indexOf(string: String): Int

Returns the index within this string builder of the first occurrence of the specified string.

Returns -1 if the specified string does not occur in this string builder.

Platform and version requirements: JS (1.4), Native (1.4)

fun indexOf(string: String, startIndex: Int): Int

Returns the index within this string builder of the first occurrence of the specified string, starting at the specified startIndex.

Returns -1 if the specified string does not occur in this string builder starting at the specified startIndex.

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