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Validation Password or Username in Swift 4.0

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Validation Password or Username in Swift 4.0
Validation Tutorial Password Or Username Swift 4.0. Two type password validation. Most of the validation same confirm password , Password must one uppercase letter, Password must have more then some characters , Password contain some special character , Password must one digit. etc.


Type First Password Validation - 

Password Mini or Max length is 6 - 10.
One Alphabet in Password.
One Special Character in Password.

^                              - Start Anchor.
(?=.*[a-z])               -Ensure string has one character.
(?=.[$@$#!%?&])   -Ensure string has one special character.
{8,}                           -Ensure password length is 8.
$                               -End Anchor.

See Example -  

func isPasswordValidate(_ password : String)->Bool{
  let validatePassword= NSPredicate(format: "SELF MATCHES %@", "^(?=.*[a-z])(?=.*[$@$#!%*?&])[A-Za-z\\d$@$#!%*?&]{8,}")
    return validatePassword.evaluate(with:…

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