Question

How to perform a case-insensitive search in Rust

Answer 1

fn contains_ignore_case(haystack: &str, needle: &str) -> bool {
    haystack.to_lowercase().contains(&needle.to_lowercase())
}

fn main() {
    let str = "The FOX Profession is Rust Programmer";
    let to_find = "fox";

    let contains = contains_ignore_case(str, to_find);

    println!("{}", contains);
}

 
      
/*
run:
   
true
     
*/

 

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