toLowerCase

Common
JVM
JS
Native
1.0
@DeprecatedSinceKotlin ( "1.5" ) fun Char . toLowerCase ( ) : Char
(Common source) (JVM source) (JS source) (Native source)
Deprecated: Use lowercaseChar() instead.

Converts this character to lower case using Unicode mapping rules of the invariant locale.

Common
JVM
JS
Native
1.0
@DeprecatedSinceKotlin ( "1.5" ) fun String . toLowerCase ( ) : String
(Common source) (JVM source) (JS source) (Native source)
Deprecated: Use lowercase() instead.

Returns a copy of this string converted to lower case using the rules of the default locale.

JVM
1.0
@DeprecatedSinceKotlin ( "1.5" ) fun String . toLowerCase (
locale : Locale
) : String

(source)
Deprecated: Use lowercase() instead.

Returns a copy of this string converted to lower case using the rules of the specified locale.