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How to check if a string contains only digits in Rust



94 views
asked Jul 24, 2024 by avibootz
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1 Answer

0 votes 
fn main() {
    let str = "12345";
    
    let b = str.chars().all(|ch| ch.is_digit(10));
    
    println!("{}", b);
}



/*
run:

true

*/

 



answered Jul 24, 2024 by avibootz

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