lastIndexOf

fun CharSequence.lastIndexOf(char: Char, startIndex: Int = lastIndex, ignoreCase: Boolean = false): Int(source)

Returns the index within this char sequence of the last occurrence of the specified character, starting from the specified startIndex.

Since Kotlin

1.0

Return

An index of the last occurrence of char or -1 if none is found.

Parameters

startIndex

The index of character to start searching at. The search proceeds backward toward the beginning of the string.

ignoreCase

true to ignore character case when matching a character. By default false.


fun CharSequence.lastIndexOf(string: String, startIndex: Int = lastIndex, ignoreCase: Boolean = false): Int(source)

Returns the index within this char sequence of the last occurrence of the specified string, starting from the specified startIndex.

Since Kotlin

1.0

Return

An index of the last occurrence of string or -1 if none is found.

Parameters

startIndex

The index of character to start searching at. The search proceeds backward toward the beginning of the string.

ignoreCase

true to ignore character case when matching a string. By default false.