import re
from typing import Optional

PRS_CODE_REGEX = r"PRS\s?=\s?(?P<code>.+?)(\b|\s)"


def prs_id_from_campaign_name(name: str) -> Optional[str]:
    match = re.compile(PRS_CODE_REGEX, re.IGNORECASE).match(name)
    if not match:
        return None
    return match.group("code")


def get_campaign_name_first_part(name: str):
    first_part = name.split(" | ")
    return first_part[0].strip()


def is_name_includes_external_id(name: str):
    return get_campaign_name_first_part(name).isnumeric()