***************************************
Multithreading
***************************************
Due to Global Interpreter Lock (GIL) implemented in Python interpreter, multithreading in Python can‘t be truly executed in parallel. In matx, we implement matx.pmap to support multithreading in native.

.. code-block:: python

    import matx
    from typing import Any, List

    def lower_impl(s: str) -> str:
        return s.lower()

    def MyParallelLower(inputs: List[str]) -> List[str]:
        return matx.pmap(lower_impl, inputs)

    p_lower = matx.script(MyParallelLower)
    print(p_lower(["Hello"]))

***************************************
Regular Expression
***************************************
Matx implements a builtin regular expression engine based on `PCRE <https://github.com/PCRE2Project/pcre2>`_.

.. code-block:: python

    import matx
    from typing import Any, List

    class Spliter:
        def __init__(self) -> None:
            self.regex: Any = matx.Regex(
                r'(([\v\f\r\n]+)|(?<=[^？。；，！!?][？。；，！!?])(?=[^？。；，！!?]))')

        def __call__(self, ss: str) -> List[str]:
            return self.regex.split(ss)

    spliter = matx.script(Spliter)()
    print(spliter("hELLO \v WORLD"))