Overview: You are required to implement the Caesar ciphers using the programming language of your choice. Your program should be able to encrypt written in text. For testing purposes, please use the plain text message: Attack at dawn. Your program should allow the user to submit a message for encryption (the message must use only text). Additionally, your program should use 5 as the key for doing the encryption. When you are setting-up the encryption scheme you are required to use characters A-Z and 0-9, which give you a total of 36 characters for substitution (mod 36).

Code to _develop software using a regular expression module to process the following phone numbers.you are to extract the area code,trunk, number, and optionally an extension for each number. You may use the regular expression module in the language of your choice, please note that we covered the syntax for Perl 5 which is imitated by python 3, javascript, C++, and C#. Java, too. 800-555-1212 800 555 1212 800.555.1212 (800) 555-1212 1-800-555-1212 800-555-1212-1234 800-555-1212x1234 800-555-1212ext. 1234 1-(800) 555.1212 #1234 Reporting: Demonstrate your results by outputting the extracted information for each input number. Your report should be one page and it should be include a discussion of your use of the regular expression module..

What is the purpose of looping in C#? Name the two main categories of the loops and their respective examples. Which is the fastest loop among all? Just name it.