parseNumeric

 //Numeric.RPL_LUSERCLIENT
	import std.range : only;
	{
		immutable luser = parseNumeric!(Numeric.RPL_LUSERCLIENT)(only("someone", "There are 42 users and 43 services on 44 servers"));
		assert(luser.message == "There are 42 users and 43 services on 44 servers");
	}