Function validate

pub fn validate(tckn: &str) -> bool

Validates if the given &str represents a valid tckn

Examples

let in_valid = "12345678951";
let actual = tckn_utils::validate(in_valid);
assert_eq!(actual, false);

let valid = "12345678950";
let actual = tckn_utils::validate(valid);
assert_eq!(actual, true);