The 'Str' class provides a collection of static methods for string manipulation
and handling. This utility class offers various functions for common string
operations such as concatenation, substring extraction, trimming, case conversion,
and pattern matching. By encapsulating these functionalities within a single class,
'Str' simplifies string processing tasks and promotes code reusability. Developers
can utilize the methods provided by 'Str' to efficiently work with strings in their
applications, enhancing readability, maintainability, and overall code quality.