Greek regexes

def fix_problematic_chars(text: str) -> str:
    # Fixes mathematical mu
    text = re.sub(r"µ", "μ", text)

    return text


def fix_latin_capitals(text: str) -> str:
    # Fixes capital letters that are actually latin (A for capital alpha)

    # ABCDEFGHIJKLMNOPQRSTUVWXYZ
    # ΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΩ

    # AMBIGUOUS ONES:
    # AΆBEÉHIÍKMNOÓPTXY

    # fmt: off
    latin_to_greek = {
        "A": "Α", "Á": "Ά",
        "B": "Β",
        "E": "Ε", "É": "Έ",
        "H": "Η",
        "I": "Ι", "Í": "Ί",
        "K": "Κ",
        "M": "Μ",
        "N": "Ν",
        "O": "Ο", "Ó": "Ό",
        "P": "Ρ",
        "T": "Τ",
        "X": "Χ",
        "Y": "Υ",
    }
    # fmt: on

    text = re.sub(r"[AÁBEÉHIÍKMNOÓPTXY](?=[Ά-Ͽ]+)", lambda m: latin_to_greek[m.group(0)], text)

    return text