import re

def match_condition(rule, s):
    if s == None:
        return False
    elif rule[0] == '/' and rule[-1] == '/':
        return bool(re.search(rule[1:-1], s))
    elif rule[0] == '/' and rule[-2:] == '/i':
        return bool(re.search(rule[1:-2], s, re.I))

    return rule == s

def match_rule(rule, values):
    for key, value in rule.items():
        if key != 'should' and not match_condition(value, values.get(key)):
            return False

    return True

def match_rules(rules, **kwargs):
    for rule in rules:
        if match_rule(rule, kwargs):
            return rule.get('should') == 'allow'

    return False

if __name__ == '__main__':
    conditions = [
        {"password": "/honey|gotcha/i", "should": "deny"},
        {"username": "/honey|gotcha/i", "should": "deny"},
        {"username": "/^[a-z][\\w-]+$/", "password": "/^[ -~]{4,15}$/", "should": "allow"}
    ]
    
    print(match_rules(conditions, username='honey', password='l'))
    print(match_rules(conditions, username='someuser', password='somepassword'))