public static bool TryParseRegister(string input, out RegisterSyntax registerSyntax, BracketExpectation bracketExpectation = BracketExpectation.NotPresent)
{
bool isSuccess;
bool isRegister = Regex.IsMatch(input, @"^\[?R[0-9A-F]\]?$");
bool isSurroundedByBrackets = input.StartsWith("[") && input.EndsWith("]");
if (bracketExpectation == BracketExpectation.Present)
isSuccess = isRegister && isSurroundedByBrackets;
else
isSuccess = isRegister && !isSurroundedByBrackets;
if (isSuccess)
registerSyntax = new RegisterSyntax(input.Trim('[', ']'));
else
registerSyntax = null;
return isSuccess;
}
private static bool IsRegister(string input)
{
return(RegisterSyntax.TryParse(input, out _));
}
