kotlin-stdlib/kotlin.text/filterNot

filterNot

inline fun CharSequence.filterNot(predicate: (Char) -> Boolean): CharSequence(source)

Returns a char sequence containing only those characters from the original char sequence that do not match the given predicate.

Since Kotlin

1.0

Samples

import java.util.Locale
import kotlin.test.*

fun main() { 
   //sampleStart 
   val text = "a1b2c3d4e5"

val textWithoutDigits = text.filterNot { it.isDigit() }

println(textWithoutDigits) // abcde 
   //sampleEnd
}
inline fun String.filterNot(predicate: (Char) -> Boolean): String(source)

Returns a string containing only those characters from the original string that do not match the given predicate.

Since Kotlin

1.0

Samples

import java.util.Locale
import kotlin.test.*

fun main() { 
   //sampleStart 
   val text = "a1b2c3d4e5"

val textWithoutDigits = text.filterNot { it.isDigit() }

println(textWithoutDigits) // abcde 
   //sampleEnd
}