kotlin-stdlib/kotlin.text/decapitalize

decapitalize

expect fun String.decapitalize(): String(source)

Deprecated

Warning since 1.5

Use replaceFirstChar instead.

Replace with

replaceFirstChar { it.lowercase() }
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Returns a copy of this string having its first letter lowercased using the rules of the default locale, or the original string if it's empty or already starts with a lower case letter.

Since Kotlin

1.0

Samples

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

fun main() { 
   //sampleStart 
   println("abcd".decapitalize()) // abcd
println("Abcd".decapitalize()) // abcd 
   //sampleEnd
}
actual fun String.decapitalize(): String(source)

Deprecated

Warning since 1.5

Use replaceFirstChar instead.

Replace with

replaceFirstChar { it.lowercase() }
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Returns a copy of this string having its first letter lowercased using the rules of the default locale, or the original string if it's empty or already starts with a lower case letter.

Since Kotlin

1.1

Samples

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

fun main() { 
   //sampleStart 
   println("abcd".decapitalize()) // abcd
println("Abcd".decapitalize()) // abcd 
   //sampleEnd
}
actual fun String.decapitalize(): String(source)

Deprecated

Use replaceFirstChar instead.

Replace with

import java.util.Locale
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replaceFirstChar { it.lowercase(Locale.getDefault()) }
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Returns a copy of this string having its first letter lowercased using the rules of the default locale, or the original string if it's empty or already starts with a lower case letter.

Since Kotlin

1.0

Samples

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

fun main() { 
   //sampleStart 
   println("abcd".decapitalize()) // abcd
println("Abcd".decapitalize()) // abcd 
   //sampleEnd
}
actual fun String.decapitalize(): String(source)

Deprecated

Warning since 1.5

Use replaceFirstChar instead.

Replace with

replaceFirstChar { it.lowercase() }
Content copied to clipboard

Returns a copy of this string having its first letter lowercased using the rules of the default locale, or the original string if it's empty or already starts with a lower case letter.

Since Kotlin

1.3

Samples

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

fun main() { 
   //sampleStart 
   println("abcd".decapitalize()) // abcd
println("Abcd".decapitalize()) // abcd 
   //sampleEnd
}