Function replace 

pub fn replace<D: Dimension>(
    a: &StringArray<D>,
    old: &str,
    new: &str,
    max_count: Option<usize>,
) -> FerrayResult<StringArray<D>>

Replace occurrences of old with new in each string element.

If max_count is Some(n), only the first n occurrences are replaced. If None, all occurrences are replaced.

Errors

Returns an error if the internal array construction fails.