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AS3 Password Strength Meter

/ Published in: ActionScript 3
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  1. static public function
  2. fStart(
  3. 	vUserName : String,
  4. 	vInput : String
  5. ) : String
  6. {
  7. 	var vScore : int;
  8. //	var vHasLetters : Array = vInput.match(/[a-zA-Z]+/);
  9. 	var vHasNumbers : Array = vInput.match(/[0-9]+/g);
  10. 	var vHasPunctuation : Array = vInput.match(/[^a-zA-Z0-9]+/);
  11. 	var vHasCasing : Array = vInput.match(/[a-z]+.*[A-Z]+|[A-Z]+.*[a-z]+/);
  12. 	var vResult : String;
  13.  
  14. 	if (vInput.length == 0) return "It's blank!";
  15.  
  16. 	vScore += (vInput.length < 7 ? 0 : 1);
  17. 	vScore += (vInput.length >= 12 ? 1 : 0);
  18. 	vScore += (vInput.toLowerCase() == vUserName.toLowerCase() ? 0 : 1);
  19. 	vScore += (vHasNumbers == null ? 0 : 1);
  20. 	vScore += (vHasNumbers != null && vHasNumbers.length <= 4 ? 0 : 1);
  21. 	vScore += (vHasPunctuation == null ? 0 : 1);
  22. 	vScore += (vHasPunctuation != null && String(vHasPunctuation).length <= 2 ? 0 : 1);
  23. 	vScore += (vHasCasing == null ? 0 : 1);
  24. 	vScore += (vHasCasing != null && String(vHasCasing).length <= 2 ? 0 : 1);
  25.  
  26. 	switch (vScore)
  27. 	{
  28. 	case 0:
  29. 	case 1:
  30. 	case 2:
  31. 	case 3:
  32. 		vResult = "Weak";
  33. 		break;
  34. 	case 4:
  35. 	case 5:
  36. 	case 6:
  37. 	case 7:
  38. 		vResult = "Medium";
  39. 		break;
  40. 	case 8:
  41. 	case 9:
  42. 		vResult = "Strong";
  43. 		break;
  44. 	}
  45. 	return vResult;
  46. }

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