TypeScript for Beginners - RegEx Program 2

The video tutorial explains how to create a password validation system using regular expressions. It covers the requirements for a valid password, including length, character types, and the presence of capital letters. The tutorial guides viewers through constructing a regex pattern to meet these criteria and demonstrates how to implement and test the validation logic in a programming environment.

What is the minimum and maximum length required for a valid password?

• 8 to 16 characters

• 2 to 8 characters

• 6 to 12 characters

• 4 to 10 characters

Which of the following is NOT a requirement for a valid password?

• Only lowercase letters

• At least one capital letter

• Can include underscores

• Alphanumeric characters

What does the regular expression need to ensure about capital letters in the password?

• Capital letters must be at the start

• Only capital letters are allowed

• At least one capital letter is required

• No capital letters are allowed

Which symbol is used in the regular expression to represent alphanumeric characters?

• \d

• \s

• \w

• \a

What should you do after changing the password to test the validation logic?

• Delete the code

• Recompile and refresh the browser

• Restart the computer

• Change the browser settings