Function http_header_variation 

pub fn http_header_variation(input: &str) -> String

Generates HTTP header value variations for Caido and web security testing.

Useful for testing header parsing and WAF rules in tools like Caido.

Examples

use redstr::http_header_variation;
let header = "application/json";
let result = http_header_variation(header);
assert!(result.len() > 0);