← Docs
kotlin-stdlib / kotlin.text / first

first

Common
JVM
JS
Native
1.0
fun CharSequence . first ( ) : Char
(source)

Returns the first character.

Exceptions

NoSuchElementException - if the char sequence is empty.

Common
JVM
JS
Native
1.0
inline fun CharSequence . first (
predicate : ( Char ) -> Boolean
) : Char

(source)

Returns the first character matching the given predicate .

Exceptions

NoSuchElementException - if no such character is found.

Stay in touch:
  • Contributing to Kotlin
  • Releases
  • Press Kit
  • Security
  • Blog
  • Issue Tracker
  • Brand assets
  • Careers
Supported and developed by JetBrains .
Kotlin™ is protected under the Kotlin Foundation
and licensed under the Apache 2 license .