filegardener.py 文件源码

def check_regex(regexstring):
    """ method to check that the regex works"""
    if regexstring is not None:
        try:
            compiledregex = re.compile(regexstring, flags=re.IGNORECASE)
            # result = compiledregex.match(string)
        except:
            raise click.BadOptionUsage("The regex didn't compile. For correct usage"
                                       " see:  https://docs.python.org/2/library/re.html")