import re


def package_in_pip_output(package: str, output: str) -> bool:
    """
    Determine if a package is found in the output of packages installed by pip
    :param package:
    :param output:
    :return: True if found, False otherwise
    """
    return re.search('^{}\s'.format(package), output, re.IGNORECASE | re.MULTILINE) is not None