import re


def camel_case_split(hashtag):
    """
    Convert camel case to regular text (for hashtags)
    :param hashtag:
    :return:
    """
    matches = re.finditer('.+?(?:(?<=[a-z])(?=[A-Z])|(?<=[A-Z])(?=[A-Z][a-z])|$)', hashtag[1:])
    return ' '.join([m.group(0).lower() for m in matches])