import re


def is_runfolder(name):
    """
    Is it a runfolder?

    >>> print is_runfolder('090630_HWUSI-EAS999_0006_30LNFAAXX')
    True
    >>> print is_runfolder('hello')
    False
    """
    if re.match("^[0-9]{6}_[-A-Za-z0-9_]*$", name):
        return True
    else:
        return False