import re


def fetch_urls(target):
    """
    Returns a list of URLs found in 'target'.
    """
    # https://www.geeksforgeeks.org/python-check-url-string/
    e = re.findall(
        "http[s]?://(?:[a-zA-Z]|[0-9]|[$-_@.&+]|[!*\(\), ]|(?:%[0-9a-fA-F][0-9a-fA-F]))+",
        target,
    )
    if e:
        # print(", ".join(e), c.reset)
        return e
    return None