isLowerCase
Platform and version requirements: JVM (1.0), JS (1.5), Native (1.3)
fun Char.isLowerCase(): Boolean
Returns true if this character is lower case.
A character is considered to be a lower case character if its category is CharCategory.LOWERCASE_LETTER, or it has contributory property Other_Lowercase as defined by the Unicode Standard.
import java.util.*
import kotlin.test.*
fun main(args: Array<String>) {
//sampleStart
val chars = listOf('a', 'λ', 'A', '1', '+')
val (lowerCases, notLowerCases) = chars.partition { it.isLowerCase() }
println(lowerCases) // [a, λ]
println(notLowerCases) // [A, 1, +]
//sampleEnd
}
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Licensed under the Apache License, Version 2.0.
https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.text/is-lower-case.html