(4) Write a C# .NET Core Console App that validates a password string entered by the user to conform to the following rules:   Length between 6 and 15 characters. At least one uppercase letter (A-Z). At least one lowercase letter (a-z). At least one digit (0-9). At least one supported special characters such as ! @ # $ % ^ & * ( ) + = _ - { } [ ] : ; " ' ? < > , .

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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(4) Write a C# .NET Core Console App that validates a password string entered by the user to conform to the following rules:

 

  • Length between 6 and 15 characters.
  • At least one uppercase letter (A-Z).
  • At least one lowercase letter (a-z).
  • At least one digit (0-9).
  • At least one supported special characters such as ! @ # $ % ^ & * ( ) + = _ - { } [ ] : ; " ' ? < > , .
Expert Solution
Step 1
  • Firstly the length of the password has to be checked then whether it contains uppercase, lowercase, digits and special characters.
  • If all of them are present then the method isValid(String password) returns true.

Below is the implementation of the above approach in C# :

 

 

 

 
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