public void TestOneOrMoreRule()
{
var rule = new OneOrMoreRule(new StringRule("test "));
Assert.IsTrue(rule.Match("test something"));
Assert.IsTrue((rule + new StringRule("something")).Match("test test something"));
Assert.IsFalse(rule.Match("something"));
}
public override string SolvePart2()
{
int max = _messages.Max(str => str.Length);
_rules.ResetCaches();
_rules[8] = new OneOrMoreRule(_rules[42]);
_rules[11] = new WrappedInTwoRulesRule(_rules[42], _rules[31], max);
Regex r = new Regex("^" + _rules[0].GetRegexString() + "$");
int result = _messages.Count(message => r.IsMatch(message));
return(result.ToString());
}