[vk65535]

alert(function(s) {
	for (var i = 0, l = s.length, c, r = '', dot; i < l; ++i)
		if (((c = s.charAt(i)) > '0' && c < '9') || (!dot && (c === '.' || c === ',') && (dot = 1))) r += c;
	return r;
}("aaa 2.3.1..2,4,5.,, k,j,k .dl4l. ,l,,,4,ll,v.,..,,"));