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Posted By

iaian7 on 01/22/10


Tagged

javascript sort array alphanumeric


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iaian7


Alphanumeric Sorting

Published in: JavaScript 


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  1. function sortAlphaNum(a, b) { 
  2. 	var x = a.split("/"); 
  3. 	var y = b.split("/"); 
  4. 	x = x[x.length-1].replace(/\\\s/g," ").split(/(\d )/); // the split formatting is imperative, everything else can change 
  5. 	y = y[y.length-1].replace(/\\\s/g," ").split(/(\d )/); // the split formatting is imperative, everything else can change 
  6. 	for (var i in x) { 
  7. 		if (x[i] && !y[i] || isFinite(x[i]) && !isFinite(y[i])) { 
  8. 			return -1; 
  9. 		} else if (!x[i] && y[i] || !isFinite(y[i]) && isFinite(y[i])) { 
  10. 			return 1; 
  11. 		} else if (!isFinite(x[i]) && !isFinite(y[i])) { 
  12. 			x[i] = x[i].toLowerCase(); 
  13. 			y[i] = y[i].toLowerCase(); 
  14. 			if (x[i] < y[i]) return -1; 
  15. 			if (x[i] > y[i]) return 1; 
  16. 		} else { 
  17. 			x[i] = parseFloat(x[i]); 
  18. 			y[i] = parseFloat(y[i]); 
  19. 			if (x[i] < y[i]) return -1; 
  20. 			if (x[i] > y[i]) return 1; 
  21. 		} 
  22. 	} 
  23. 	return 0; 
  24. }

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