Question

How to count the number of characters in a string without spaces and special characters in Rust

Answer 1

fn main() {
    let s = "8rust! c# @ java# 123 c &c++.";
    
    let result = s.chars().filter(|c| c.is_alphabetic()).count();
    
    println!("{}", result);
}


  
/*
run:

11

*/

 

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