To check if a string contains a given substring in Kotlin, you can use the 'contains' method of the String class.
In this example,
fun containsSubstring(str: String, substr: String): Boolean {
return str.contains(substr)
}
fun main() {
val str = "Hello World"
val substr = "World"
val contains = containsSubstring(str, substr)
println("String contains substring '$substr': $contains")
}
String contains substring 'World': true
In this tutorial, we learned How to Check if a String contains given Substring in Kotlin language with well detailed examples.