from typing import List
import re


def find_string_formatting( string: str, trigger_beg: str = '{{', trigger_end: str = '}}' ) -> List[str]:

    """Looks for string formatted with certain triggers
    Returns list of all string occurences where the triggers surround a string """

    return re.findall( r'\{trigger_beg}.*?\{trigger_end}'.format( trigger_beg=trigger_beg, trigger_end=trigger_end ), string )