Kotlin v1.4.21
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Overview
Kotlin for Server Side
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What's New
Kotlin plugin 2020.3
Kotlin 1.4.20
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Getting Started
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Functions
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Collections Overview
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Coroutines
Coroutines Guide
Basics
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Composing Suspending Functions
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Select Expression (experimental)
Multiplatform Programming
Kotlin Multiplatform
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Supported platforms
Multiplatform Gradle DSL Reference
Migrating to Kotlin 1.4
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kotlin.test
Reference
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Java Interop
Calling Java from Kotlin
Calling Kotlin from Java
JavaScript
Setting Up a Project
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Calling JavaScript from Kotlin
Calling Kotlin from JavaScript
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Evolution
Kotlin Evolution
Stability of Kotlin components
Compatibility Guide for Kotlin 1.3
Compatibility Guide for Kotlin 1.4
FAQ
FAQ
Comparison to Java
kotlin-stdlib / kotlin.text / RegexOption / mask

mask

JVM
Native
1.0
val mask: Int
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Kotlin™ is protected under the Kotlin Foundation and licensed under the Apache 2 license. Supported and developed by JetBrains
Supported and developed by JetBrains
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