var str = value.replace(/\s+/g, " ");

if (str.match(/^\S+\s\S+$/g)){
	var re = /^(\S+)\s+/;
	str.replace(re, "$1\r");
};

else if (str.match(/^\S+\s\S+\s\S+$/g)){
	var re = /^(\S+)\s/;
	str.replace(re, "$1\r");
}

else if (str.match(/^\S+\s\S+\s\S+\s\S+$/g)){
	var re = /^(\S+\s\S+)\s/;
	str.replace(re, "$1\r");
};