We use the is_uppercase()
method to check if a character is uppercase in Rust.
character.is_uppercase()
character
: This is a single character whose case we want to check.
It returns a Boolean value: true
or false
. If the character is uppercase indeed, it returns true
. Otherwise, it returns false
.
fn main(){// Creating some characterslet char1 = 'E';let char2 = 'c';let char3 = 'X';let char4 = 'r';let char5 = '6';// Checking if the characters are uppercaseprintln!("{}", char1.is_uppercase());println!("{}", char2.is_uppercase());println!("{}", char3.is_uppercase());println!("{}", char4.is_uppercase());println!("{}", char5.is_uppercase());}
is_uppercase()
method on each character to check whether it is uppercase.