import re


def sanitize_as_rabbitmq_name(input_str: str) -> str:
    pattern = re.compile(r"[^a-zA-Z0-9.#/\-]")
    matcher = pattern.search(input_str)
    token = input_str[:matcher.start()] if matcher else input_str
    step1 = re.sub(r"[^A-Za-z0-9#]", ".", token)
    return re.sub(r"\.+", ".", step1)