toUpperCase
@DeprecatedSinceKotlin("1.5") fun Char.toUpperCase(): Char
(Common source) (JVM source) (JS source) (Native source)
Converts this character to upper case using Unicode mapping rules of the invariant locale.
@DeprecatedSinceKotlin("1.5") fun String.toUpperCase(): String
(Common source) (JVM source) (JS source) (Native source)
Returns a copy of this string converted to upper case using the rules of the default locale.