TypeScript for Beginners - RegEx Program 1

The video tutorial explains how to validate a cell phone number to ensure it has at least 10 digits. It guides through creating a file for validation, defining a string for the cell number, and using a regular expression to enforce the 10-digit rule. The tutorial demonstrates how to apply the regular expression to a string and check its validity using a method that returns true or false. It also covers testing the validation by modifying the number and observing the results in a web browser console.

What is the minimum number of digits required for a valid cell phone number?

How do you define a regular expression in the context of cell phone number validation?

What method is used to check if a string matches a regular expression?

Describe the steps to validate a cell phone number using TypeScript.

What will the console display if the cell number is invalid?