Used for replace characters on keyup in javascript:

		$(document).on("keyup", ".input", function(e) {
			var target = $(e.target);
			var value = target.val();
			target.val(value.replace(/^-*\.+$|[^-0-9\.]|^\.+(?!$)|^0+(?=[0-9]+)|\.(?=\.|.+\.)|(?!^)-/g, ''));
		});