string.toUpper
This function returns a copy of input string with all Unicode letters mapped to their upper case.
Syntax
string.toUpper(str)
Arguments
|
Argument |
Type |
Description |
|---|---|---|
|
str |
string |
Source string |
Returns
|
Type |
Description |
|---|---|
|
string |
String converted to upper case |
Examples
The function string.toUpper("Hello World") returns HELLO WORLD.