Lua .upper()
Published Sep 6, 2023
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The .upper() function converts a string to uppercase.
Syntax
string.upper(string)
The .upper() function will convert all letters of a specified string to uppercase. Numbers and punctuation will remain unaffected.
Example
The example below shows how .upper() takes a string with both upper and lower case letters and returns it in uppercase.
Note: The
.upper()function creates a copy of the specified string to modify, leaving the original unchanged.
myString = "Bang!"print(myString)print(string.upper(myString))print(myString)
This code will display the following output:
Bang!BANG!Bang!
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