isNotBlank

Returns true if this char sequence is not empty and contains some characters except of whitespace characters.

Samples



import java.util.Locale


import kotlin.test.*
fun main() { 
   //sampleStart 
   fun validateName(name: String): String {
    require(name.isNotBlank()) { "Name cannot be blank" }
    return name
}

println(validateName("Adam")) // Adam
// validateName("") //  will fail
// validateName("  \t\n") //  will fail 
   //sampleEnd
}