code: def regex(pattern, flags: int = 0):
          
  
          def f(_, m):
              m.matches = [i for i in _.p.finditer(m.text or m.caption or "")]
              return bool(m.matches)
  
          return create("Regex", f, p=re.compile(pattern, flags))
docs: Filter messages that match a given RegEx pattern.
  
          Args:
              pattern (``str``):
                  The RegEx pattern as string, it will be applied to the text of a message. When a pattern matches,
                  all the `Match Objects <https://docs.python.org/3/library/re.html#match-objects>`_
                  are stored in the *matches* field of the :class:`Message <pyrogram.Message>` itself.
  
              flags (``int``, *optional*):
                  RegEx flags.