klyn.MutableString.lastIndexOf
method
public lastIndexOf(notnull value as MutableString, start as Long = -1) as Long
Description

Queries text without changing it.

Parameters
ParameterDescription
valueSubstring to find.
startLast scalar index to search; -1 starts at the end.
Returns

Scalar index, or -1 when absent.

Example
result = m"Klyn".lastIndexOf(m"K")