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/// Checks if the string contains only alphabetic or numeric characters.
///
/// # Arguments
///
/// * `s` - The string to check.
///
/// # Returns
///
/// Returns true if string contains only alphabetic or numeric characters, false if not.
///
/// # Examples
///
/// ```
/// use rufl::string;
///
/// assert_eq!(true, string::is_alphanumeric("abc123"));
///
/// assert_eq!(true, string::is_alphanumeric("żółć123"));
///
/// assert_eq!(true, string::is_alphanumeric("你好1"));
///
/// assert_eq!(false, string::is_alphanumeric("a̐éö̲123"));
///
/// ```
pub fn is_alphanumeric(s: &str) -> bool {
return s.chars().all(|c| c.is_alphanumeric());
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_is_alphanumeric() {
assert_eq!(true, is_alphanumeric("foo1"));
assert_eq!(true, is_alphanumeric("FOO1"));
assert_eq!(true, is_alphanumeric("żółć123"));
assert_eq!(true, is_alphanumeric("你好123"));
assert_eq!(true, is_alphanumeric(""));
assert_eq!(false, is_alphanumeric("a̐éö̲2"));
assert_eq!(false, is_alphanumeric("café1"));
}
}