def is_text(email_message):
    return re.match(r"^text/.*", email_message.get_content_type(), re.IGNORECASE)
Performs "plus" replacement.
dataset/ETHPy150Open rapidsms/rapidsms-core-dev/lib/rapidsms/backends/email.py/is_text--crossover with--dataset/ETHPy150Open aarongarrett/inspyred/inspyred/ec/replacers.py/plus_replacement