字母数字排序

Posted 2021-02-26

function sortAlphaNum(a, b) { 
	var x = a.split("/"); 
	var y = b.split("/"); 
	x = x[x.length-1].replace(/\s/g," ").split(/(d )/); // the split formatting is imperative, everything else can change 
	y = y[y.length-1].replace(/\s/g," ").split(/(d )/); // the split formatting is imperative, everything else can change 
	for (var i in x) { 
		if (x[i] && !y[i] || isFinite(x[i]) && !isFinite(y[i])) { 
			return -1; 
		} else if (!x[i] && y[i] || !isFinite(y[i]) && isFinite(y[i])) { 
			return 1; 
		} else if (!isFinite(x[i]) && !isFinite(y[i])) { 
			x[i] = x[i].toLowerCase(); 
			y[i] = y[i].toLowerCase(); 
			if (x[i] < y[i]) return -1; 
			if (x[i] > y[i]) return 1; 
		} else { 
			x[i] = parseFloat(x[i]); 
			y[i] = parseFloat(y[i]); 
			if (x[i] < y[i]) return -1; 
			if (x[i] > y[i]) return 1; 
		} 
	} 
	return 0; 
}